#25333C
Closest named color: Gunmetal (#293241). oklch(31.2% 0.025 236.8), rgb(37, 51, 60).
Aa
White text reads best on this color (12.98:1).
About this color
#25333C is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.013 away. White text reads best on it, at 12.98:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.61:1 |
| White text | 12.98:1 |
Values
| HEX | #25333C |
| RGB | rgb(37, 51, 60) |
| HSL | hsl(203, 24%, 19%) |
| OKLCH | oklch(31.2% 0.025 236.8) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #25333C | 12.98:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #25333C | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #25333C text on white | 12.98:1 | AAA | Lc 99.2 | Preferred for body text |
| #25333C text on black | 1.61:1 | 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.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE3
oklch(88.5% 0.016 239.1)
-
Step 300
300
#B0C4D1
oklch(80.9% 0.029 236.3)
-
Step 400
400
#85A6BA
oklch(70.7% 0.047 234.9)
-
Step 500
500
#668FA9
oklch(63% 0.06 236.8)
-
Step 600
600
#4D7995
oklch(55.5% 0.065 237.5)
-
Step 700
700
#3E667F
oklch(49.1% 0.06 237.2)
-
Step 800
800
#335367
oklch(42.6% 0.05 237.1)
-
Step 900
900
#2D4554
oklch(37.7% 0.039 236.7)
-
Step 950
950 (this color)
#25333C
oklch(31.2% 0.025 236.8)
#25333C 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2F333C | 0.016 |
| Deuteranopia (no green cones) | #2C303C | 0.014 |
| Tritanopia (no blue cones) | #1D3536 | 0.019 |
| Achromatopsia (no color) | #313131 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25333C
#25333C
oklch(31.2% 0.025 236.8)
- #3B2E25
#3B2E25
oklch(31.3% 0.025 56.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #25333C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.034
- Onyx #343A40 ΔE 0.035
- Midnight Green #073B4C ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.049
- Jet #212529 ΔE 0.053
Use #25333C 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.