#402D21
Closest named color: Onyx (#343A40). oklch(31.6% 0.035 53.4), rgb(64, 45, 33).
Aa
White text reads best on this color (13.00:1).
About this color
#402D21 is a dark, muted brown. In OKLCH its lightness is 32%, its chroma 0.035 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.056 away. White text reads best on it, at 13.00:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.61:1 |
| White text | 13.00:1 |
Values
| HEX | #402D21 |
| RGB | rgb(64, 45, 33) |
| HSL | hsl(23, 32%, 19%) |
| OKLCH | oklch(31.6% 0.035 53.4) |
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 #402D21 | 13.00:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #402D21 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #402D21 text on white | 13.00:1 | AAA | Lc 99.2 | Preferred for body text |
| #402D21 text on black | 1.61:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E6D5CB
oklch(88.4% 0.023 52.7)
-
Step 300
300
#D7BAA8
oklch(80.9% 0.042 53.8)
-
Step 400
400
#C2967A
oklch(70.7% 0.066 53.8)
-
Step 500
500
#B27B58
oklch(63.1% 0.085 53.1)
-
Step 600
600
#9D643D
oklch(55.7% 0.091 54.1)
-
Step 700
700
#86522F
oklch(49% 0.085 53.3)
-
Step 800
800
#6D4428
oklch(42.8% 0.07 54)
-
Step 900
900
#583925
oklch(37.6% 0.054 53.2)
-
Step 950
950 (this color)
#402D21
oklch(31.6% 0.035 53.4)
#402D21 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) | #322F20 | 0.027 |
| Deuteranopia (no green cones) | #373321 | 0.025 |
| Tritanopia (no blue cones) | #45292A | 0.025 |
| Achromatopsia (no color) | #313131 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402D21
#402D21
oklch(31.6% 0.035 53.4)
- #1F3541
#1F3541
oklch(31.6% 0.035 233.3)
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 #402D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.056
- Pakistan Green #283618 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.060
- Gunmetal #293241 ΔE 0.063
- Dark Brown #341C02 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.069
- Jet #212529 ΔE 0.070
Use #402D21 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.