#25383F

Closest named color: Gunmetal (#293241). oklch(32.7% 0.027 222.9), rgb(37, 56, 63).

Aa

White text reads best on this color (12.23:1).

About this color

#25383F is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.022 away. White text reads best on it, at 12.23:1.

Hue familyNeutrals
Lightnessdark (33%)
Chromaclose to neutral grey (0.027)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.71:1
White text12.23:1

Values

HEX#25383F
RGBrgb(37, 56, 63)
HSLhsl(196, 26%, 20%)
OKLCHoklch(32.7% 0.027 222.9)

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 #25383F 12.23:1 AAA Lc -101.4 Preferred for body text
Black text on #25383F 1.71:1 Fails Lc 0.0 Not readable
#25383F text on white 12.23:1 AAA Lc 97.9 Preferred for body text
#25383F text on black 1.71:1 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 900.

  1. Step 50

    50

    #F3F6F7

    oklch(97.1% 0.003 219.5)

  2. Step 100

    100

    #E6EBED

    oklch(93.7% 0.006 223.5)

  3. Step 200

    200

    #D1DBDF

    oklch(88.5% 0.012 223.5)

  4. Step 300

    300

    #B3C4CA

    oklch(80.9% 0.02 220.9)

  5. Step 400

    400

    #8BA6B0

    oklch(70.8% 0.033 222.3)

  6. Step 500

    500

    #6E909C

    oklch(63.2% 0.042 221.5)

  7. Step 600

    600

    #567A87

    oklch(55.7% 0.045 222.4)

  8. Step 700

    700

    #466672

    oklch(49% 0.042 223.3)

  9. Step 800

    800

    #39535D

    oklch(42.5% 0.035 223.8)

  10. Step 900

    900 (this color)

    #25383F

    oklch(32.7% 0.027 222.9)

  11. Step 950

    950

    #1D282D

    oklch(26.9% 0.018 227.5)

Export this scale for Tailwind in the Tailwind colors tool

#25383F 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)#34373F0.022
Deuteranopia (no green cones)#30343F0.020
Tritanopia (no blue cones)#1C3A3A0.017
Achromatopsia (no color)#3535350.027

Harmonies

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

Complementary

The opposite hue (180°).

  • #25383F

    #25383F

    oklch(32.7% 0.027 222.9)

  • #41302A

    #41302A

    oklch(32.7% 0.027 40.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #25383F

    #25383F

    oklch(32.7% 0.027 222.9)

  • #243938

    #243938

    oklch(32.7% 0.027 192.2)

  • #2B3643

    #2B3643

    oklch(32.8% 0.028 252.9)

Open the analogous palette in the generator

Split complementary

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

  • #25383F

    #25383F

    oklch(32.7% 0.027 222.9)

  • #422F31

    #422F31

    oklch(32.8% 0.028 11.7)

  • #3D3325

    #3D3325

    oklch(32.8% 0.027 75.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #25383F

    #25383F

    oklch(32.7% 0.027 222.9)

  • #3F2F38

    #3F2F38

    oklch(32.7% 0.028 343.9)

  • #373525

    #373525

    oklch(32.6% 0.027 101.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #25383F

    #25383F

    oklch(32.7% 0.027 222.9)

  • #3A313F

    #3A313F

    oklch(32.8% 0.027 313.5)

  • #41302A

    #41302A

    oklch(32.7% 0.027 40.3)

  • #2F3829

    #2F3829

    oklch(32.7% 0.028 133.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #25383F, closest first.

Similar named colors

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

Use #25383F 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.