#4B0022
Closest named color: Dark Plum (#3F012C). oklch(26.7% 0.108 1.5), rgb(75, 0, 34).
Aa
White text reads best on this color (15.88:1).
About this color
#4B0022 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.108 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.037 away. White text reads best on it, at 15.88:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.32:1 |
| White text | 15.88:1 |
Values
| HEX | #4B0022 |
| RGB | rgb(75, 0, 34) |
| HSL | hsl(333, 100%, 15%) |
| OKLCH | oklch(26.7% 0.108 1.5) |
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 #4B0022 | 15.88:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #4B0022 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #4B0022 text on white | 15.88:1 | AAA | Lc 101.6 | Preferred for body text |
| #4B0022 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
#FFF1F5
oklch(97% 0.016 358)
-
Step 100
100
#FFE1E8
oklch(93.6% 0.034 2)
-
Step 200
200
#FFC8D6
oklch(88.5% 0.065 1.6)
-
Step 300
300
#FFA0BB
oklch(80.9% 0.117 1.6)
-
Step 400
400
#FF5E98
oklch(70.7% 0.201 1.4)
-
Step 500
500
#F7007F
oklch(63.1% 0.255 1.4)
-
Step 600
600
#D1006A
oklch(55.6% 0.225 1.6)
-
Step 700
700
#B10059
oklch(49.1% 0.199 1.5)
-
Step 800
800
#920048
oklch(42.6% 0.172 1.7)
-
Step 900
900
#7B003C
oklch(37.7% 0.152 1.4)
-
Step 950
950 (this color)
#4B0022
oklch(26.7% 0.108 1.5)
#4B0022 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) | #151923 | 0.123 |
| Deuteranopia (no green cones) | #292720 | 0.109 |
| Tritanopia (no blue cones) | #530010 | 0.037 |
| Achromatopsia (no color) | #222222 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B0022
#4B0022
oklch(26.7% 0.108 1.5)
- #002D27
#002D27
oklch(26.6% 0.048 181.3)
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 #4B0022, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.037
- Aubergine #3D0734 ΔE 0.048
- Mahogany #4A0100 ΔE 0.053
- Burgundy #610023 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.056
- Eggplant #380835 ΔE 0.059
- Deep Brown #410200 ΔE 0.059
- Eggplant Purple #430541 ΔE 0.062
Use #4B0022 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.