#403029
Closest named color: Onyx (#343A40). oklch(32.5% 0.026 44.8), rgb(64, 48, 41).
Aa
White text reads best on this color (12.55:1).
About this color
#403029 is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.044 away. White text reads best on it, at 12.55:1.
| Hue family | Neutrals |
| Lightness | dark (33%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.67:1 |
| White text | 12.55:1 |
Values
| HEX | #403029 |
| RGB | rgb(64, 48, 41) |
| HSL | hsl(18, 22%, 21%) |
| OKLCH | oklch(32.5% 0.026 44.8) |
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 #403029 | 12.55:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #403029 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #403029 text on white | 12.55:1 | AAA | Lc 98.5 | Preferred for body text |
| #403029 text on black | 1.67:1 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#E0D7D3
oklch(88.5% 0.011 45.7)
-
Step 300
300
#CCBDB6
oklch(80.9% 0.02 46.8)
-
Step 400
400
#B29B91
oklch(70.7% 0.031 44.9)
-
Step 500
500
#9F8276
oklch(63% 0.04 43.7)
-
Step 600
600
#8A6C5E
oklch(55.7% 0.044 46.3)
-
Step 700
700
#755A4E
oklch(49.2% 0.04 45.1)
-
Step 800
800
#5F4940
oklch(42.6% 0.034 43.3)
-
Step 900
900 (this color)
#403029
oklch(32.5% 0.026 44.8)
-
Step 950
950
#2E2420
oklch(27.1% 0.017 42.9)
#403029 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) | #343229 | 0.023 |
| Deuteranopia (no green cones) | #383529 | 0.021 |
| Tritanopia (no blue cones) | #442D2E | 0.017 |
| Achromatopsia (no color) | #333333 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403029
#403029
oklch(32.5% 0.026 44.8)
- #25373E
#25373E
oklch(32.4% 0.026 224.1)
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 #403029, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.044
- Gunmetal #293241 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.057
- Pakistan Green #283618 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.072
- Jet #212529 ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.074
Use #403029 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.