#283136
Closest named color: Gunmetal (#293241). oklch(30.7% 0.015 232.3), rgb(40, 49, 54).
Aa
White text reads best on this color (13.26:1).
About this color
#283136 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.020 away. White text reads best on it, at 13.26:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #283136 |
| RGB | rgb(40, 49, 54) |
| HSL | hsl(201, 15%, 18%) |
| OKLCH | oklch(30.7% 0.015 232.3) |
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 #283136 | 13.26:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #283136 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #283136 text on white | 13.26:1 | AAA | Lc 99.6 | Preferred for body text |
| #283136 text on black | 1.58:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B6C3CA
oklch(80.9% 0.017 231)
-
Step 400
400
#8FA4B0
oklch(70.6% 0.029 232.9)
-
Step 500
500
#748E9C
oklch(63.1% 0.036 231.6)
-
Step 600
600
#5C7887
oklch(55.6% 0.04 231.8)
-
Step 700
700
#4B6573
oklch(49.1% 0.038 232)
-
Step 800
800
#3E525D
oklch(42.6% 0.031 232.5)
-
Step 900
900
#35444C
oklch(37.7% 0.024 231.5)
-
Step 950
950 (this color)
#283136
oklch(30.7% 0.015 232.3)
#283136 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) | #2F3136 | 0.011 |
| Deuteranopia (no green cones) | #2D2F36 | 0.010 |
| Tritanopia (no blue cones) | #243233 | 0.010 |
| Achromatopsia (no color) | #303030 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283136
#283136
oklch(30.7% 0.015 232.3)
- #362D28
#362D28
oklch(30.5% 0.016 50.8)
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 #283136, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.020
- Space Cadet #2B2D42 ΔE 0.030
- Onyx #343A40 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.045
- Jet #212529 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.048
- Midnight Green #073B4C ΔE 0.049
- Dark #1B2431 ΔE 0.051
Use #283136 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.