#421A27
Closest named color: Chocolate Brown (#411900). oklch(28.2% 0.064 1.6), rgb(66, 26, 39).
Aa
White text reads best on this color (14.90:1).
About this color
#421A27 is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.064 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.057 away. White text reads best on it, at 14.90:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.40:1 |
| White text | 14.90:1 |
Values
| HEX | #421A27 |
| RGB | rgb(66, 26, 39) |
| HSL | hsl(341, 43%, 18%) |
| OKLCH | oklch(28.2% 0.064 1.6) |
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 #421A27 | 14.90:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #421A27 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #421A27 text on white | 14.90:1 | AAA | Lc 101.5 | Preferred for body text |
| #421A27 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E9
oklch(93.5% 0.022 359.7)
-
Step 200
200
#F2CED7
oklch(88.4% 0.042 1.2)
-
Step 300
300
#EBADBD
oklch(81% 0.075 1.9)
-
Step 400
400
#DE7F9B
oklch(70.7% 0.121 1.7)
-
Step 500
500
#D25B83
oklch(63.1% 0.155 1.5)
-
Step 600
600
#BD3D6C
oklch(55.6% 0.168 1.8)
-
Step 700
700
#A32E5A
oklch(49.2% 0.156 2)
-
Step 800
800
#84284A
oklch(42.7% 0.129 1.6)
-
Step 900
900
#6B263E
oklch(37.8% 0.101 1.6)
-
Step 950
950 (this color)
#421A27
oklch(28.2% 0.064 1.6)
#421A27 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) | #212227 | 0.070 |
| Deuteranopia (no green cones) | #2B2A26 | 0.065 |
| Tritanopia (no blue cones) | #48171F | 0.018 |
| Achromatopsia (no color) | #272727 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421A27
#421A27
oklch(28.2% 0.064 1.6)
- #00312B
#00312B
oklch(28.1% 0.05 182.1)
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 #421A27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.057
- Aubergine #3D0734 ΔE 0.057
- Dark Plum #3F012C ΔE 0.058
- Mahogany #4A0100 ΔE 0.061
- Eggplant #380835 ΔE 0.063
- Deep Brown #410200 ΔE 0.066
- Dark Maroon #3C0008 ΔE 0.067
- Dark Brown #341C02 ΔE 0.068
Use #421A27 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.