#121E26

Closest named color: Rich Black (#0D1B2A). oklch(22.8% 0.023 238.3), rgb(18, 30, 38).

Aa

White text reads best on this color (16.94:1).

About this color

#121E26 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.017 away. White text reads best on it, at 16.94:1.

Hue familyNeutrals
Lightnessvery dark (23%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.23:1
White text16.94:1

Values

HEX#121E26
RGBrgb(18, 30, 38)
HSLhsl(204, 36%, 11%)
OKLCHoklch(22.8% 0.023 238.3)

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 #121E26 16.94:1 AAA Lc -106.2 Preferred for body text
Black text on #121E26 1.23:1 Fails Lc 0.0 Not readable
#121E26 text on white 16.94:1 AAA Lc 103.8 Preferred for body text
#121E26 text on black 1.23:1 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

    #F3F6F8

    oklch(97.1% 0.004 236.5)

  2. Step 100

    100

    #E5EBEF

    oklch(93.7% 0.008 236.6)

  3. Step 200

    200

    #D0DBE2

    oklch(88.5% 0.015 235.4)

  4. Step 300

    300

    #B1C4D1

    oklch(81% 0.028 237.7)

  5. Step 400

    400

    #88A5B9

    oklch(70.7% 0.044 238.4)

  6. Step 500

    500

    #6A8FA8

    oklch(63.2% 0.056 238.3)

  7. Step 600

    600

    #517993

    oklch(55.7% 0.06 237.8)

  8. Step 700

    700

    #41657D

    oklch(49% 0.057 238.7)

  9. Step 800

    800

    #365366

    oklch(42.7% 0.047 238.1)

  10. Step 900

    900

    #2F4553

    oklch(37.8% 0.036 236.9)

  11. Step 950

    950 (this color)

    #121E26

    oklch(22.8% 0.023 238.3)

Export this scale for Tailwind in the Tailwind colors tool

#121E26 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)#1A1E260.013
Deuteranopia (no green cones)#181C260.011
Tritanopia (no blue cones)#0A20210.018
Achromatopsia (no color)#1D1D1D0.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #121E26

    #121E26

    oklch(22.8% 0.023 238.3)

  • #251A12

    #251A12

    oklch(22.9% 0.023 57.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #121E26

    #121E26

    oklch(22.8% 0.023 238.3)

  • #0F1F22

    #0F1F22

    oklch(22.7% 0.022 210.8)

  • #181C27

    #181C27

    oklch(22.8% 0.022 269.1)

Open the analogous palette in the generator

Split complementary

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

  • #121E26

    #121E26

    oklch(22.8% 0.023 238.3)

  • #261816

    #261816

    oklch(22.6% 0.023 28.1)

  • #211C10

    #211C10

    oklch(22.8% 0.023 87.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #121E26

    #121E26

    oklch(22.8% 0.023 238.3)

  • #25181C

    #25181C

    oklch(22.7% 0.022 358.8)

  • #1B1E12

    #1B1E12

    oklch(22.8% 0.022 119.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #121E26

    #121E26

    oklch(22.8% 0.023 238.3)

  • #221922

    #221922

    oklch(22.8% 0.022 326.3)

  • #251A12

    #251A12

    oklch(22.9% 0.023 57.3)

  • #151F16

    #151F16

    oklch(22.6% 0.022 147.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #121E26, closest first.

Similar named colors

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

Use #121E26 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.