#451B10
Closest named color: Chocolate Brown (#411900). oklch(28.3% 0.068 35.7), rgb(69, 27, 16).
Aa
White text reads best on this color (14.81:1).
About this color
#451B10 is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.068 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.021 away. White text reads best on it, at 14.81:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.41:1 |
| White text | 14.81:1 |
Values
| HEX | #451B10 |
| RGB | rgb(69, 27, 16) |
| HSL | hsl(12, 62%, 17%) |
| OKLCH | oklch(28.3% 0.068 35.7) |
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 #451B10 | 14.81:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #451B10 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #451B10 text on white | 14.81:1 | AAA | Lc 101.3 | Preferred for body text |
| #451B10 text on black | 1.41:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5CFC5
oklch(88.4% 0.045 35.1)
-
Step 300
300
#EFAF9D
oklch(80.9% 0.08 36.3)
-
Step 400
400
#E58167
oklch(70.7% 0.129 35.5)
-
Step 500
500
#DA5D3C
oklch(63.1% 0.165 35.8)
-
Step 600
600
#C53E16
oklch(55.6% 0.178 35.8)
-
Step 700
700
#AA2E05
oklch(49.1% 0.166 35.6)
-
Step 800
800
#8A280B
oklch(42.6% 0.138 35.7)
-
Step 900
900
#6F2713
oklch(37.7% 0.107 36.1)
-
Step 950
950 (this color)
#451B10
oklch(28.3% 0.068 35.7)
#451B10 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) | #26220F | 0.068 |
| Deuteranopia (no green cones) | #302B0F | 0.063 |
| Tritanopia (no blue cones) | #4C1319 | 0.029 |
| Achromatopsia (no color) | #282828 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451B10
#451B10
oklch(28.3% 0.068 35.7)
- #002F39
#002F39
oklch(28.1% 0.05 216.4)
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 #451B10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.021
- Dark Brown #341C02 ΔE 0.044
- Mahogany #4A0100 ΔE 0.045
- Deep Brown #410200 ΔE 0.052
- Dark Maroon #3C0008 ΔE 0.065
- Burgundy #610023 ΔE 0.078
- Jet #212529 ΔE 0.079
- Claret #680018 ΔE 0.083
Use #451B10 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.