#421303
Closest named color: Chocolate Brown (#411900). oklch(26.2% 0.078 39.1), rgb(66, 19, 3).
Aa
White text reads best on this color (15.83:1).
About this color
#421303 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.078 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.016 away. White text reads best on it, at 15.83:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.32:1 |
| White text | 15.83:1 |
Values
| HEX | #421303 |
| RGB | rgb(66, 19, 3) |
| HSL | hsl(15, 91%, 14%) |
| OKLCH | oklch(26.2% 0.078 39.1) |
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 #421303 | 15.83:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #421303 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #421303 text on white | 15.83:1 | AAA | Lc 102.3 | Preferred for body text |
| #421303 text on black | 1.32:1 | 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
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F8CEC1
oklch(88.4% 0.051 37.9)
-
Step 300
300
#F5AD95
oklch(81% 0.092 39.2)
-
Step 400
400
#EC7D57
oklch(70.7% 0.147 39.4)
-
Step 500
500
#E3551D
oklch(63.2% 0.188 39.1)
-
Step 600
600
#C44000
oklch(55.5% 0.178 39)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800
#892A00
oklch(42.6% 0.137 39)
-
Step 900
900
#732200
oklch(37.6% 0.12 39.1)
-
Step 950
950 (this color)
#421303
oklch(26.2% 0.078 39.1)
#421303 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) | #211C01 | 0.077 |
| Deuteranopia (no green cones) | #2C2602 | 0.069 |
| Tritanopia (no blue cones) | #4A0610 | 0.035 |
| Achromatopsia (no color) | #222222 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421303
#421303
oklch(26.2% 0.078 39.1)
- #002A34
#002A34
oklch(26.3% 0.047 218.2)
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 #421303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.016
- Mahogany #4A0100 ΔE 0.031
- Deep Brown #410200 ΔE 0.032
- Dark Brown #341C02 ΔE 0.038
- Dark Maroon #3C0008 ΔE 0.047
- Jet #212529 ΔE 0.086
- Dark Plum #3F012C ΔE 0.087
- Burgundy #610023 ΔE 0.088
Use #421303 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.