#2A313A

Closest named color: Gunmetal (#293241). oklch(31% 0.019 254.8), rgb(42, 49, 58).

Aa

White text reads best on this color (13.13:1).

About this color

#2A313A is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.012 away. White text reads best on it, at 13.13:1.

Hue familyNeutrals
Lightnessdark (31%)
Chromaclose to neutral grey (0.019)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.59:1
White text13.13:1

Values

HEX#2A313A
RGBrgb(42, 49, 58)
HSLhsl(214, 16%, 20%)
OKLCHoklch(31% 0.019 254.8)

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 #2A313A 13.13:1 AAA Lc -102.7 Preferred for body text
Black text on #2A313A 1.59:1 Fails Lc 0.0 Not readable
#2A313A text on white 13.13:1 AAA Lc 99.4 Preferred for body text
#2A313A text on black 1.59:1 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

    #F4F5F7

    oklch(97% 0.003 264.5)

  2. Step 100

    100

    #E7EAEE

    oklch(93.6% 0.006 255.5)

  3. Step 200

    200

    #D4DAE1

    oklch(88.6% 0.012 252.1)

  4. Step 300

    300

    #B7C2CF

    oklch(81% 0.022 252.5)

  5. Step 400

    400

    #92A2B7

    oklch(70.7% 0.036 255.3)

  6. Step 500

    500

    #778BA5

    oklch(63% 0.046 255.1)

  7. Step 600

    600

    #607590

    oklch(55.6% 0.049 254.9)

  8. Step 700

    700

    #4F627B

    oklch(49% 0.047 255.4)

  9. Step 800

    800

    #415064

    oklch(42.7% 0.038 255.7)

  10. Step 900

    900

    #374351

    oklch(37.8% 0.029 252.5)

  11. Step 950

    950 (this color)

    #2A313A

    oklch(31% 0.019 254.8)

Export this scale for Tailwind in the Tailwind colors tool

#2A313A 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)#2E313A0.007
Deuteranopia (no green cones)#2C303A0.004
Tritanopia (no blue cones)#2633340.016
Achromatopsia (no color)#3030300.019

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A313A

    #2A313A

    oklch(31% 0.019 254.8)

  • #362F26

    #362F26

    oklch(31% 0.019 74)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A313A

    #2A313A

    oklch(31% 0.019 254.8)

  • #263338

    #263338

    oklch(31.1% 0.02 223.4)

  • #2F2F3A

    #2F2F3A

    oklch(31% 0.02 285.2)

Open the analogous palette in the generator

Split complementary

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

  • #2A313A

    #2A313A

    oklch(31% 0.019 254.8)

  • #392E29

    #392E29

    oklch(31.2% 0.018 45.8)

  • #323126

    #323126

    oklch(31.1% 0.019 103.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A313A

    #2A313A

    oklch(31% 0.019 254.8)

  • #392D2D

    #392D2D

    oklch(31.1% 0.018 18.1)

  • #2C3329

    #2C3329

    oklch(31.1% 0.02 136.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A313A

    #2A313A

    oklch(31% 0.019 254.8)

  • #382D33

    #382D33

    oklch(31.2% 0.019 344.3)

  • #362F26

    #362F26

    oklch(31% 0.019 74)

  • #28342E

    #28342E

    oklch(31.2% 0.019 163.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A313A, closest first.

Similar named colors

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

Use #2A313A 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.