#40251C
Closest named color: Chocolate Brown (#411900). oklch(29.7% 0.044 39.2), rgb(64, 37, 28).
Aa
White text reads best on this color (14.00:1).
About this color
#40251C is a dark, muted red. In OKLCH its lightness is 30%, its chroma 0.044 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.040 away. White text reads best on it, at 14.00:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.49:1 |
| White text | 14.00:1 |
Values
| HEX | #40251C |
| RGB | rgb(64, 37, 28) |
| HSL | hsl(15, 39%, 18%) |
| OKLCH | oklch(29.7% 0.044 39.2) |
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 #40251C | 14.00:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #40251C | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #40251C text on white | 14.00:1 | AAA | Lc 100.5 | Preferred for body text |
| #40251C text on black | 1.49:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#EBD3CB
oklch(88.4% 0.029 39.3)
-
Step 300
300
#E0B6A8
oklch(81% 0.053 39.3)
-
Step 400
400
#CE8F79
oklch(70.7% 0.083 40)
-
Step 500
500
#C07157
oklch(63% 0.107 38.9)
-
Step 600
600
#AC583C
oklch(55.6% 0.118 39)
-
Step 700
700
#93482E
oklch(49.1% 0.108 39.5)
-
Step 800
800
#783C27
oklch(42.8% 0.09 39.7)
-
Step 900
900
#613324
oklch(37.6% 0.071 38.8)
-
Step 950
950 (this color)
#40251C
oklch(29.7% 0.044 39.2)
#40251C 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) | #2C281B | 0.041 |
| Deuteranopia (no green cones) | #322E1C | 0.038 |
| Tritanopia (no blue cones) | #462123 | 0.023 |
| Achromatopsia (no color) | #2C2C2C | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40251C
#40251C
oklch(29.7% 0.044 39.2)
- #0E323C
#0E323C
oklch(29.6% 0.044 219.6)
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 #40251C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.040
- Dark Brown #341C02 ΔE 0.049
- Jet #212529 ΔE 0.063
- Pakistan Green #283618 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.072
- Gunmetal #293241 ΔE 0.072
- Mahogany #4A0100 ΔE 0.072
- Onyx #343A40 ΔE 0.074
Use #40251C 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.