#4B1523
Closest named color: Burgundy (#610023). oklch(28.9% 0.082 8.1), rgb(75, 21, 35).
Aa
White text reads best on this color (14.67:1).
About this color
#4B1523 is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.082 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.051 away. White text reads best on it, at 14.67:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.43:1 |
| White text | 14.67:1 |
Values
| HEX | #4B1523 |
| RGB | rgb(75, 21, 35) |
| HSL | hsl(344, 56%, 19%) |
| OKLCH | oklch(28.9% 0.082 8.1) |
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 #4B1523 | 14.67:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #4B1523 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #4B1523 text on white | 14.67:1 | AAA | Lc 101.0 | Preferred for body text |
| #4B1523 text on black | 1.43:1 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FCE3E6
oklch(93.7% 0.028 9.4)
-
Step 200
200
#FACBD2
oklch(88.5% 0.054 8.2)
-
Step 300
300
#F8A6B4
oklch(80.9% 0.098 8.3)
-
Step 400
400
#F0728E
oklch(70.8% 0.157 8)
-
Step 500
500
#E64472
oklch(63.1% 0.199 8.1)
-
Step 600
600
#D1105A
oklch(55.5% 0.216 8.3)
-
Step 700
700
#B3004B
oklch(49.1% 0.197 8.1)
-
Step 800
800
#93073D
oklch(42.8% 0.167 8.2)
-
Step 900
900
#761634
oklch(37.7% 0.13 8.1)
-
Step 950
950 (this color)
#4B1523
oklch(28.9% 0.082 8.1)
#4B1523 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) | #212223 | 0.092 |
| Deuteranopia (no green cones) | #2F2C22 | 0.083 |
| Tritanopia (no blue cones) | #520D1A | 0.021 |
| Achromatopsia (no color) | #282828 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1523
#4B1523
oklch(28.9% 0.082 8.1)
- #003330
#003330
oklch(28.9% 0.05 188.5)
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 #4B1523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.051
- Mahogany #4A0100 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.058
- Dark Plum #3F012C ΔE 0.060
- Deep Brown #410200 ΔE 0.062
- Aubergine #3D0734 ΔE 0.063
- Claret #680018 ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.067
Use #4B1523 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.