#28312C
Closest named color: Gunmetal (#293241). oklch(30.3% 0.015 161), rgb(40, 49, 44).
Aa
White text reads best on this color (13.41:1).
About this color
#28312C is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.038 away. White text reads best on it, at 13.41:1.
| Hue family | Neutrals |
| Lightness | dark (30%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.56:1 |
| White text | 13.41:1 |
Values
| HEX | #28312C |
| RGB | rgb(40, 49, 44) |
| HSL | hsl(147, 10%, 17%) |
| OKLCH | oklch(30.3% 0.015 161) |
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 #28312C | 13.41:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #28312C | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #28312C text on white | 13.41:1 | AAA | Lc 99.9 | Preferred for body text |
| #28312C text on black | 1.56:1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B7C4BD
oklch(80.8% 0.017 162.6)
-
Step 400
400
#92A69B
oklch(70.6% 0.027 161.6)
-
Step 500
500
#769182
oklch(63.1% 0.038 160.8)
-
Step 600
600
#5F7B6C
oklch(55.6% 0.04 161.4)
-
Step 700
700
#4E685A
oklch(49.2% 0.038 161.1)
-
Step 800
800
#405449
oklch(42.6% 0.031 160.7)
-
Step 900
900
#37463D
oklch(37.8% 0.025 158.6)
-
Step 950
950 (this color)
#28312C
oklch(30.3% 0.015 161)
#28312C 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) | #31302C | 0.015 |
| Deuteranopia (no green cones) | #2F2E2C | 0.015 |
| Tritanopia (no blue cones) | #263130 | 0.007 |
| Achromatopsia (no color) | #2F2F2F | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28312C
#28312C
oklch(30.3% 0.015 161)
- #342C31
#342C31
oklch(30.4% 0.014 340.1)
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 #28312C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.038
- Pakistan Green #283618 ΔE 0.042
- Jet #212529 ΔE 0.044
- Onyx #343A40 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.047
- Dark #1B2431 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.058
- Oxford Blue #1B263B ΔE 0.059
Use #28312C 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.