#283B32
Closest named color: Onyx (#343A40). oklch(33.3% 0.029 163.9), rgb(40, 59, 50).
Aa
White text reads best on this color (11.91:1).
About this color
#283B32 is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.033 away. White text reads best on it, at 11.91:1.
| Hue family | Neutrals |
| Lightness | dark (33%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.76:1 |
| White text | 11.91:1 |
Values
| HEX | #283B32 |
| RGB | rgb(40, 59, 50) |
| HSL | hsl(152, 19%, 19%) |
| OKLCH | oklch(33.3% 0.029 163.9) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #283B32 | 11.91:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #283B32 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #283B32 text on white | 11.91:1 | AAA | Lc 97.3 | Preferred for body text |
| #283B32 text on black | 1.76:1 | 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.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D2DCD7
oklch(88.5% 0.013 164.8)
-
Step 300
300
#B4C5BD
oklch(80.8% 0.022 166)
-
Step 400
400
#8DA89B
oklch(70.7% 0.035 164.7)
-
Step 500
500
#719282
oklch(63% 0.044 163.9)
-
Step 600
600
#597D6C
oklch(55.7% 0.049 164)
-
Step 700
700
#48695A
oklch(49.1% 0.045 164.7)
-
Step 800
800
#3C5649
oklch(42.8% 0.038 162.5)
-
Step 900
900 (this color)
#283B32
oklch(33.3% 0.029 163.9)
-
Step 950
950
#1E2924
oklch(26.9% 0.018 165.6)
#283B32 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) | #3A3832 | 0.029 |
| Deuteranopia (no green cones) | #373633 | 0.028 |
| Tritanopia (no blue cones) | #243B38 | 0.011 |
| Achromatopsia (no color) | #373737 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283B32
#283B32
oklch(33.3% 0.029 163.9)
- #41303A
#41303A
oklch(33.2% 0.03 342.7)
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 #283B32, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.033
- Pakistan Green #283618 ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.046
- Gunmetal #293241 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.048
- Midnight Green #073B4C ΔE 0.052
- Evergreen #05472A ΔE 0.054
- Charcoal #264653 ΔE 0.058
Use #283B32 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.