#421503
Closest named color: Chocolate Brown (#411900). oklch(26.5% 0.075 41.2), rgb(66, 21, 3).
Aa
White text reads best on this color (15.66:1).
About this color
#421503 is a dark, moderately saturated brown. In OKLCH its lightness is 27%, its chroma 0.075 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.012 away. White text reads best on it, at 15.66:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.34:1 |
| White text | 15.66:1 |
Values
| HEX | #421503 |
| RGB | rgb(66, 21, 3) |
| HSL | hsl(17, 91%, 14%) |
| OKLCH | oklch(26.5% 0.075 41.2) |
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 #421503 | 15.66:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #421503 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #421503 text on white | 15.66:1 | AAA | Lc 102.1 | Preferred for body text |
| #421503 text on black | 1.34:1 | 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FAE5DD
oklch(93.7% 0.026 42.1)
-
Step 200
200
#F7CFC0
oklch(88.5% 0.05 41.6)
-
Step 300
300
#F3AE94
oklch(81% 0.089 41.5)
-
Step 400
400
#EA7F56
oklch(70.8% 0.143 41.2)
-
Step 500
500
#E05819
oklch(63.1% 0.183 41.1)
-
Step 600
600
#C14500
oklch(55.6% 0.171 41.1)
-
Step 700
700
#A33900
oklch(49.1% 0.151 41.1)
-
Step 800
800
#872E00
oklch(42.8% 0.131 41.2)
-
Step 900
900
#712500
oklch(37.6% 0.115 41.2)
-
Step 950
950 (this color)
#421503
oklch(26.5% 0.075 41.2)
#421503 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) | #221D01 | 0.074 |
| Deuteranopia (no green cones) | #2D2702 | 0.066 |
| Tritanopia (no blue cones) | #4A0911 | 0.036 |
| Achromatopsia (no color) | #232323 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421503
#421503
oklch(26.5% 0.075 41.2)
- #002A36
#002A36
oklch(26.4% 0.049 222.2)
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 #421503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.012
- Mahogany #4A0100 ΔE 0.035
- Dark Brown #341C02 ΔE 0.035
- Deep Brown #410200 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.052
- Jet #212529 ΔE 0.084
- Burgundy #610023 ΔE 0.089
- Dark Plum #3F012C ΔE 0.090
Use #421503 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.