#40231A
Closest named color: Chocolate Brown (#411900). oklch(29.2% 0.048 38), rgb(64, 35, 26).
Aa
White text reads best on this color (14.25:1).
About this color
#40231A is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.048 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.035 away. White text reads best on it, at 14.25:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.47:1 |
| White text | 14.25:1 |
Values
| HEX | #40231A |
| RGB | rgb(64, 35, 26) |
| HSL | hsl(14, 42%, 18%) |
| OKLCH | oklch(29.2% 0.048 38) |
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 #40231A | 14.25:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #40231A | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #40231A text on white | 14.25:1 | AAA | Lc 100.8 | Preferred for body text |
| #40231A text on black | 1.47:1 | 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
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD3CB
oklch(88.6% 0.031 37.8)
-
Step 300
300
#E2B5A7
oklch(81% 0.056 38)
-
Step 400
400
#D28D78
oklch(70.8% 0.09 37.7)
-
Step 500
500
#C46F55
oklch(63.1% 0.115 37.8)
-
Step 600
600
#AF5539
oklch(55.5% 0.125 37.9)
-
Step 700
700
#96452B
oklch(49% 0.116 38.3)
-
Step 800
800
#7A3925
oklch(42.6% 0.096 37.8)
-
Step 900
900
#633223
oklch(37.8% 0.075 37.8)
-
Step 950
950 (this color)
#40231A
oklch(29.2% 0.048 38)
#40231A 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) | #2A2719 | 0.046 |
| Deuteranopia (no green cones) | #312D1A | 0.042 |
| Tritanopia (no blue cones) | #461E21 | 0.024 |
| Achromatopsia (no color) | #2B2B2B | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40231A
#40231A
oklch(29.2% 0.048 38)
- #07313B
#07313B
oklch(29.1% 0.047 217.8)
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 #40231A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.035
- Dark Brown #341C02 ΔE 0.045
- Jet #212529 ΔE 0.063
- Mahogany #4A0100 ΔE 0.067
- Deep Brown #410200 ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.075
- Pakistan Green #283618 ΔE 0.075
- Gunmetal #293241 ΔE 0.076
Use #40231A 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.