#263238
Closest named color: Gunmetal (#293241). oklch(30.9% 0.019 229.8), rgb(38, 50, 56).
Aa
White text reads best on this color (13.15:1).
About this color
#263238 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 0.018 away. White text reads best on it, at 13.15:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #263238 |
| RGB | rgb(38, 50, 56) |
| HSL | hsl(200, 19%, 18%) |
| OKLCH | oklch(30.9% 0.019 229.8) |
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 #263238 | 13.15:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #263238 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #263238 text on white | 13.15:1 | AAA | Lc 99.5 | Preferred for body text |
| #263238 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.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B2C4CD
oklch(80.9% 0.023 229.2)
-
Step 400
400
#8AA5B3
oklch(70.6% 0.036 230.5)
-
Step 500
500
#6C8FA1
oklch(63% 0.048 230.8)
-
Step 600
600
#53798C
oklch(55.5% 0.052 230.5)
-
Step 700
700
#446677
oklch(49.1% 0.048 230.6)
-
Step 800
800
#385361
oklch(42.6% 0.04 231.5)
-
Step 900
900
#31454F
oklch(37.8% 0.03 230.2)
-
Step 950
950 (this color)
#263238
oklch(30.9% 0.019 229.8)
#263238 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) | #2F3138 | 0.014 |
| Deuteranopia (no green cones) | #2C2F38 | 0.013 |
| Tritanopia (no blue cones) | #203434 | 0.014 |
| Achromatopsia (no color) | #303030 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #263238
#263238
oklch(30.9% 0.019 229.8)
- #382D27
#382D27
oklch(30.7% 0.019 50.2)
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 #263238, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.018
- Space Cadet #2B2D42 ΔE 0.030
- Onyx #343A40 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.041
- Midnight Green #073B4C ΔE 0.044
- Jet #212529 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.048
- Dark #1B2431 ΔE 0.053
Use #263238 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.