#1C232A

Closest named color: Jet (#212529). oklch(25.2% 0.017 248.5), rgb(28, 35, 42).

Aa

White text reads best on this color (15.87:1).

About this color

#1C232A is a dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.012 away. White text reads best on it, at 15.87:1.

Hue familyNeutrals
Lightnessdark (25%)
Chromaclose to neutral grey (0.017)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.32:1
White text15.87:1

Values

HEX#1C232A
RGBrgb(28, 35, 42)
HSLhsl(210, 20%, 14%)
OKLCHoklch(25.2% 0.017 248.5)

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 #1C232A 15.87:1 AAA Lc -105.4 Preferred for body text
Black text on #1C232A 1.32:1 Fails Lc 0.0 Not readable
#1C232A text on white 15.87:1 AAA Lc 102.8 Preferred for body text
#1C232A text on black 1.32:1 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

    #F4F6F7

    oklch(97.2% 0.003 228.8)

  2. Step 100

    100

    #E7EAEE

    oklch(93.6% 0.006 255.5)

  3. Step 200

    200

    #D4DAE0

    oklch(88.6% 0.011 247.9)

  4. Step 300

    300

    #B7C2CD

    oklch(80.9% 0.02 248.1)

  5. Step 400

    400

    #92A3B4

    oklch(70.8% 0.031 248.3)

  6. Step 500

    500

    #778CA1

    oklch(63.1% 0.04 248.5)

  7. Step 600

    600

    #5F768C

    oklch(55.6% 0.044 247.5)

  8. Step 700

    700

    #4F6377

    oklch(49.1% 0.04 248.7)

  9. Step 800

    800

    #415161

    oklch(42.8% 0.033 248.6)

  10. Step 900

    900

    #37434F

    oklch(37.7% 0.026 248.5)

  11. Step 950

    950 (this color)

    #1C232A

    oklch(25.2% 0.017 248.5)

Export this scale for Tailwind in the Tailwind colors tool

#1C232A 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)#20232A0.007
Deuteranopia (no green cones)#1F222A0.006
Tritanopia (no blue cones)#1825250.015
Achromatopsia (no color)#2222220.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #1C232A

    #1C232A

    oklch(25.2% 0.017 248.5)

  • #28211A

    #28211A

    oklch(25.3% 0.017 67)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1C232A

    #1C232A

    oklch(25.2% 0.017 248.5)

  • #192428

    #192428

    oklch(25.2% 0.017 222.2)

  • #20212A

    #20212A

    oklch(25.1% 0.017 280.1)

Open the analogous palette in the generator

Split complementary

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

  • #1C232A

    #1C232A

    oklch(25.2% 0.017 248.5)

  • #2A201C

    #2A201C

    oklch(25.4% 0.017 42.9)

  • #242219

    #242219

    oklch(25.1% 0.016 97)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1C232A

    #1C232A

    oklch(25.2% 0.017 248.5)

  • #2A1F21

    #2A1F21

    oklch(25.3% 0.017 6.2)

  • #20241B

    #20241B

    oklch(25.3% 0.017 127.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1C232A

    #1C232A

    oklch(25.2% 0.017 248.5)

  • #281F25

    #281F25

    oklch(25.2% 0.017 338.6)

  • #28211A

    #28211A

    oklch(25.3% 0.017 67)

  • #1C251F

    #1C251F

    oklch(25.4% 0.017 155.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1C232A, closest first.

Similar named colors

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

Use #1C232A 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.