#581203
Closest named color: Claret (#680018). oklch(30.5% 0.104 34), rgb(88, 18, 3).
Aa
White text reads best on this color (13.97:1).
About this color
#581203 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.104 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.047 away. White text reads best on it, at 13.97:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.50:1 |
| White text | 13.97:1 |
Values
| HEX | #581203 |
| RGB | rgb(88, 18, 3) |
| HSL | hsl(11, 93%, 18%) |
| OKLCH | oklch(30.5% 0.104 34) |
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 #581203 | 13.97:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #581203 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #581203 text on white | 13.97:1 | AAA | Lc 99.7 | Preferred for body text |
| #581203 text on black | 1.50:1 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DC
oklch(93.7% 0.032 34.3)
-
Step 200
200
#FFCBBF
oklch(88.5% 0.062 33.2)
-
Step 300
300
#FFA691
oklch(80.8% 0.11 33.9)
-
Step 400
400
#FF6B4A
oklch(70.7% 0.187 34.1)
-
Step 500
500
#F43A00
oklch(63.2% 0.227 34)
-
Step 600
600
#CE2F00
oklch(55.6% 0.2 34)
-
Step 700
700
#AE2600
oklch(49% 0.177 33.9)
-
Step 800
800
#901E00
oklch(42.7% 0.153 34)
-
Step 900
900
#791800
oklch(37.7% 0.135 34.2)
-
Step 950
950 (this color)
#581203
oklch(30.5% 0.104 34)
#581203 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) | #282201 | 0.109 |
| Deuteranopia (no green cones) | #393200 | 0.100 |
| Tritanopia (no blue cones) | #62000F | 0.033 |
| Achromatopsia (no color) | #2C2C2C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581203
#581203
oklch(30.5% 0.104 34)
- #00363F
#00363F
oklch(30.6% 0.053 212.5)
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 #581203, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.047
- Mahogany #4A0100 ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.050
- Chocolate Brown #411900 ΔE 0.053
- Burgundy #610023 ΔE 0.054
- Deep Brown #410200 ΔE 0.068
- Blood #770001 ΔE 0.068
- Dark Brown #341C02 ΔE 0.082
Use #581203 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.