#001C1A

Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.035 188.3), rgb(0, 28, 26).

Aa

White text reads best on this color (17.78:1).

About this color

#001C1A is a very dark, muted teal or cyan. In OKLCH its lightness is 20%, its chroma 0.035 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.040 away. White text reads best on it, at 17.78:1.

Hue familyTeals and cyans
Lightnessvery dark (20%)
Chromamuted (0.035)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.78:1

Values

HEX#001C1A
RGBrgb(0, 28, 26)
HSLhsl(176, 100%, 5%)
OKLCHoklch(20.4% 0.035 188.3)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #001C1A 17.78:1 AAA Lc -106.6 Preferred for body text
Black text on #001C1A 1.18:1 Fails Lc 0.0 Not readable
#001C1A text on white 17.78:1 AAA Lc 104.4 Preferred for body text
#001C1A text on black 1.18:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #F1F7F6

    oklch(97.1% 0.006 185.3)

  2. Step 100

    100

    #E1EDEB

    oklch(93.7% 0.013 185.1)

  3. Step 200

    200

    #C9DEDC

    oklch(88.4% 0.023 189.8)

  4. Step 300

    300

    #A3CAC6

    oklch(81% 0.042 188.7)

  5. Step 400

    400

    #6EAEA8

    oklch(70.6% 0.066 188.2)

  6. Step 500

    500

    #409A93

    oklch(63% 0.086 188.2)

  7. Step 600

    600

    #11857E

    oklch(55.7% 0.094 188.2)

  8. Step 700

    700

    #00706A

    oklch(49.1% 0.085 188.3)

  9. Step 800

    800

    #085B56

    oklch(42.6% 0.072 188.2)

  10. Step 900

    900

    #154B47

    oklch(37.7% 0.056 188.1)

  11. Step 950

    950 (this color)

    #001C1A

    oklch(20.4% 0.035 188.3)

Export this scale for Tailwind in the Tailwind colors tool

#001C1A with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#1A1A1A0.038
Deuteranopia (no green cones)#15171A0.034
Tritanopia (no blue cones)#001D1B0.004
Achromatopsia (no color)#1818180.036

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #001C1A

    #001C1A

    oklch(20.4% 0.035 188.3)

  • #251014

    #251014

    oklch(20.6% 0.036 8.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #001C1A

    #001C1A

    oklch(20.4% 0.035 188.3)

  • #071C11

    #071C11

    oklch(20.5% 0.035 158.5)

  • #011B22

    #011B22

    oklch(20.6% 0.036 218)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #001C1A

    #001C1A

    oklch(20.4% 0.035 188.3)

  • #21101C

    #21101C

    oklch(20.3% 0.035 338.6)

  • #25110B

    #25110B

    oklch(20.5% 0.036 37.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #001C1A

    #001C1A

    oklch(20.4% 0.035 188.3)

  • #1B1223

    #1B1223

    oklch(20.3% 0.035 307.8)

  • #211404

    #211404

    oklch(20.4% 0.036 71.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #001C1A

    #001C1A

    oklch(20.4% 0.035 188.3)

  • #131527

    #131527

    oklch(20.4% 0.036 277.9)

  • #251014

    #251014

    oklch(20.6% 0.036 8.5)

  • #1B1703

    #1B1703

    oklch(20.4% 0.036 99)

Open the square palette in the generator

Palettes and gradients that use #001C1A

These curated palettes and gradients contain exactly #001C1A. Open one to see the full color scheme around it.

Gradients

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #001C1A in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.