#421C23
Closest named color: Chocolate Brown (#411900). oklch(28.4% 0.059 10), rgb(66, 28, 35).
Aa
White text reads best on this color (14.76:1).
About this color
#421C23 is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.059 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.048 away. White text reads best on it, at 14.76:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.42:1 |
| White text | 14.76:1 |
Values
| HEX | #421C23 |
| RGB | rgb(66, 28, 35) |
| HSL | hsl(349, 40%, 18%) |
| OKLCH | oklch(28.4% 0.059 10) |
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 #421C23 | 14.76:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #421C23 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #421C23 text on white | 14.76:1 | AAA | Lc 101.4 | Preferred for body text |
| #421C23 text on black | 1.42:1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F7E5E7
oklch(93.7% 0.02 9.8)
-
Step 200
200
#F2CFD3
oklch(88.5% 0.04 10.1)
-
Step 300
300
#EAAEB6
oklch(80.9% 0.071 9.9)
-
Step 400
400
#DC8290
oklch(70.6% 0.112 10.3)
-
Step 500
500
#D06075
oklch(63.1% 0.143 10.4)
-
Step 600
600
#BB435E
oklch(55.6% 0.155 10.1)
-
Step 700
700
#A1344E
oklch(49.1% 0.144 9.9)
-
Step 800
800
#832C40
oklch(42.7% 0.12 9.9)
-
Step 900
900
#6A2936
oklch(37.8% 0.094 10.4)
-
Step 950
950 (this color)
#421C23
oklch(28.4% 0.059 10)
#421C23 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) | #232323 | 0.065 |
| Deuteranopia (no green cones) | #2D2B22 | 0.061 |
| Tritanopia (no blue cones) | #48181F | 0.015 |
| Achromatopsia (no color) | #282828 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C23
#421C23
oklch(28.4% 0.059 10)
- #00312F
#00312F
oklch(28.3% 0.049 190.4)
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 #421C23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.048
- Mahogany #4A0100 ΔE 0.059
- Dark Brown #341C02 ΔE 0.060
- Deep Brown #410200 ΔE 0.063
- Aubergine #3D0734 ΔE 0.067
- Dark Plum #3F012C ΔE 0.067
- Dark Maroon #3C0008 ΔE 0.068
- Jet #212529 ΔE 0.068
Use #421C23 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.