#521421
Closest named color: Burgundy (#610023). oklch(30% 0.092 12.4), rgb(82, 20, 33).
Aa
White text reads best on this color (14.18:1).
About this color
#521421 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.092 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.038 away. White text reads best on it, at 14.18:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.48:1 |
| White text | 14.18:1 |
Values
| HEX | #521421 |
| RGB | rgb(82, 20, 33) |
| HSL | hsl(347, 61%, 20%) |
| OKLCH | oklch(30% 0.092 12.4) |
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 #521421 | 14.18:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #521421 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #521421 text on white | 14.18:1 | AAA | Lc 100.2 | Preferred for body text |
| #521421 text on black | 1.48:1 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FEE2E4
oklch(93.6% 0.031 12.8)
-
Step 200
200
#FEC9CE
oklch(88.4% 0.061 12)
-
Step 300
300
#FEA3AD
oklch(80.9% 0.108 12.6)
-
Step 400
400
#F86B83
oklch(70.7% 0.173 12.2)
-
Step 500
500
#F03364
oklch(63% 0.222 12.2)
-
Step 600
600
#D5004F
oklch(55.7% 0.222 12.2)
-
Step 700
700
#B40041
oklch(49.1% 0.196 12.4)
-
Step 800
800
#950035
oklch(42.7% 0.171 12.1)
-
Step 900
900
#7C082C
oklch(37.8% 0.145 12.4)
-
Step 950
950 (this color)
#521421
oklch(30% 0.092 12.4)
#521421 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) | #232321 | 0.102 |
| Deuteranopia (no green cones) | #33301F | 0.095 |
| Tritanopia (no blue cones) | #5A0719 | 0.023 |
| Achromatopsia (no color) | #2B2B2B | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521421
#521421
oklch(30% 0.092 12.4)
- #003635
#003635
oklch(30.1% 0.052 192.8)
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 #521421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.038
- Claret #680018 ΔE 0.050
- Mahogany #4A0100 ΔE 0.053
- Chocolate Brown #411900 ΔE 0.063
- Deep Brown #410200 ΔE 0.069
- Reddy Brown #6E1005 ΔE 0.070
- Dark Plum #3F012C ΔE 0.072
- Aubergine #3D0734 ΔE 0.076
Use #521421 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.