#121A26

Closest named color: Rich Black (#0D1B2A). oklch(21.6% 0.027 258.3), rgb(18, 26, 38).

Aa

White text reads best on this color (17.47:1).

About this color

#121A26 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.010 away. White text reads best on it, at 17.47:1.

Hue familyNeutrals
Lightnessvery dark (22%)
Chromaclose to neutral grey (0.027)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.20:1
White text17.47:1

Values

HEX#121A26
RGBrgb(18, 26, 38)
HSLhsl(216, 36%, 11%)
OKLCHoklch(21.6% 0.027 258.3)

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 #121A26 17.47:1 AAA Lc -106.6 Preferred for body text
Black text on #121A26 1.20:1 Fails Lc 0.0 Not readable
#121A26 text on white 17.47:1 AAA Lc 104.3 Preferred for body text
#121A26 text on black 1.20:1 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

    #F4F5F8

    oklch(97% 0.004 271.4)

  2. Step 100

    100

    #E6EAF0

    oklch(93.6% 0.009 258.3)

  3. Step 200

    200

    #D2DAE5

    oklch(88.6% 0.017 256.3)

  4. Step 300

    300

    #B4C2D5

    oklch(80.9% 0.031 256)

  5. Step 400

    400

    #8EA2C1

    oklch(70.8% 0.051 259.1)

  6. Step 500

    500

    #728BB1

    oklch(63.2% 0.064 258.6)

  7. Step 600

    600

    #5A749C

    oklch(55.5% 0.07 258.8)

  8. Step 700

    700

    #4A6286

    oklch(49.2% 0.065 258.3)

  9. Step 800

    800

    #3D506D

    oklch(42.8% 0.054 258.7)

  10. Step 900

    900

    #344258

    oklch(37.6% 0.042 259.3)

  11. Step 950

    950 (this color)

    #121A26

    oklch(21.6% 0.027 258.3)

Export this scale for Tailwind in the Tailwind colors tool

#121A26 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)#161B270.008
Deuteranopia (no green cones)#1319260.004
Tritanopia (no blue cones)#0B1D1E0.025
Achromatopsia (no color)#1A1A1A0.027

Harmonies

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

Complementary

The opposite hue (180°).

  • #121A26

    #121A26

    oklch(21.6% 0.027 258.3)

  • #20180B

    #20180B

    oklch(21.5% 0.026 78.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #121A26

    #121A26

    oklch(21.6% 0.027 258.3)

  • #0B1C23

    #0B1C23

    oklch(21.5% 0.027 226.8)

  • #191825

    #191825

    oklch(21.7% 0.025 287.6)

Open the analogous palette in the generator

Split complementary

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

  • #121A26

    #121A26

    oklch(21.6% 0.027 258.3)

  • #24160F

    #24160F

    oklch(21.6% 0.026 47.4)

  • #1B1B0C

    #1B1B0C

    oklch(21.7% 0.027 108.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #121A26

    #121A26

    oklch(21.6% 0.027 258.3)

  • #251515

    #251515

    oklch(21.7% 0.026 19.4)

  • #131D11

    #131D11

    oklch(21.7% 0.027 140.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #121A26

    #121A26

    oklch(21.6% 0.027 258.3)

  • #23151C

    #23151C

    oklch(21.7% 0.026 348.1)

  • #20180B

    #20180B

    oklch(21.5% 0.026 78.8)

  • #0C1E17

    #0C1E17

    oklch(21.7% 0.028 166.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #121A26, closest first.

Similar named colors

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

Use #121A26 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.