#421C0F
Closest named color: Chocolate Brown (#411900). oklch(27.9% 0.063 39.2), rgb(66, 28, 15).
Aa
White text reads best on this color (14.95:1).
About this color
#421C0F is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.063 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.017 away. White text reads best on it, at 14.95:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.40:1 |
| White text | 14.95:1 |
Values
| HEX | #421C0F |
| RGB | rgb(66, 28, 15) |
| HSL | hsl(15, 63%, 16%) |
| OKLCH | oklch(27.9% 0.063 39.2) |
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 #421C0F | 14.95:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #421C0F | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #421C0F text on white | 14.95:1 | AAA | Lc 101.5 | Preferred for body text |
| #421C0F text on black | 1.40:1 | 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
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D1C5
oklch(88.6% 0.042 40.4)
-
Step 300
300
#ECB19D
oklch(81% 0.075 39.5)
-
Step 400
400
#E08567
oklch(70.7% 0.12 39)
-
Step 500
500
#D4633C
oklch(63.1% 0.153 39.2)
-
Step 600
600
#C04615
oklch(55.7% 0.166 39.2)
-
Step 700
700
#A53603
oklch(49.1% 0.155 39.2)
-
Step 800
800
#862E0B
oklch(42.7% 0.128 39)
-
Step 900
900
#6C2B13
oklch(37.8% 0.099 39.6)
-
Step 950
950 (this color)
#421C0F
oklch(27.9% 0.063 39.2)
#421C0F 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) | #26220E | 0.061 |
| Deuteranopia (no green cones) | #2F2A0E | 0.056 |
| Tritanopia (no blue cones) | #491419 | 0.031 |
| Achromatopsia (no color) | #272727 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C0F
#421C0F
oklch(27.9% 0.063 39.2)
- #002E39
#002E39
oklch(27.8% 0.05 218.7)
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 #421C0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.017
- Dark Brown #341C02 ΔE 0.037
- Mahogany #4A0100 ΔE 0.048
- Deep Brown #410200 ΔE 0.053
- Dark Maroon #3C0008 ΔE 0.065
- Jet #212529 ΔE 0.074
- Burgundy #610023 ΔE 0.086
- Pakistan Green #283618 ΔE 0.089
Use #421C0F 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.