#061921

Closest named color: Rich Black (#0D1B2A). oklch(20.2% 0.03 227.8), rgb(6, 25, 33).

Aa

White text reads best on this color (17.96:1).

About this color

#061921 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.022 away. White text reads best on it, at 17.96:1.

Hue familyNeutrals
Lightnessvery dark (20%)
Chromaclose to neutral grey (0.030)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.16:1
White text17.96:1

Values

HEX#061921
RGBrgb(6, 25, 33)
HSLhsl(198, 69%, 8%)
OKLCHoklch(20.2% 0.03 227.8)

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 #061921 17.96:1 AAA Lc -106.8 Preferred for body text
Black text on #061921 1.16:1 Fails Lc 0.0 Not readable
#061921 text on white 17.96:1 AAA Lc 104.6 Preferred for body text
#061921 text on black 1.16:1 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

    #F2F6F8

    oklch(97.1% 0.005 228.8)

  2. Step 100

    100

    #E3EBEF

    oklch(93.5% 0.01 228.9)

  3. Step 200

    200

    #CCDCE3

    oklch(88.5% 0.02 225.7)

  4. Step 300

    300

    #AAC6D3

    oklch(81% 0.035 227.5)

  5. Step 400

    400

    #7BA8BC

    oklch(70.6% 0.056 227.2)

  6. Step 500

    500

    #5892AC

    oklch(63% 0.072 228.5)

  7. Step 600

    600

    #3B7C97

    oklch(55.5% 0.078 227.9)

  8. Step 700

    700

    #2D6981

    oklch(49.2% 0.072 227.4)

  9. Step 800

    800

    #265569

    oklch(42.6% 0.061 228.5)

  10. Step 900

    900

    #244755

    oklch(37.8% 0.047 226.2)

  11. Step 950

    950 (this color)

    #061921

    oklch(20.2% 0.03 227.8)

Export this scale for Tailwind in the Tailwind colors tool

#061921 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)#1518210.022
Deuteranopia (no green cones)#1116210.018
Tritanopia (no blue cones)#001B1C0.017
Achromatopsia (no color)#1717170.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #061921

    #061921

    oklch(20.2% 0.03 227.8)

  • #21120A

    #21120A

    oklch(20.1% 0.029 48.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #061921

    #061921

    oklch(20.2% 0.03 227.8)

  • #031A1B

    #031A1B

    oklch(20% 0.03 198.9)

  • #0E1724

    #0E1724

    oklch(20.3% 0.029 257.5)

Open the analogous palette in the generator

Split complementary

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

  • #061921

    #061921

    oklch(20.2% 0.03 227.8)

  • #221111

    #221111

    oklch(20.2% 0.029 19.9)

  • #1E1506

    #1E1506

    oklch(20.3% 0.03 79.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #061921

    #061921

    oklch(20.2% 0.03 227.8)

  • #201119

    #201119

    oklch(20.2% 0.029 346.8)

  • #181707

    #181707

    oklch(20.1% 0.029 105.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #061921

    #061921

    oklch(20.2% 0.03 227.8)

  • #1C121F

    #1C121F

    oklch(20.1% 0.029 318.3)

  • #21120A

    #21120A

    oklch(20.1% 0.029 48.6)

  • #101A0C

    #101A0C

    oklch(20.3% 0.03 137.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #061921, closest first.

Similar named colors

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

Use #061921 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.