#581B16
Closest named color: Claret (#680018). oklch(31.8% 0.091 28), rgb(88, 27, 22).
Aa
White text reads best on this color (13.26:1).
About this color
#581B16 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.045 away. White text reads best on it, at 13.26:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #581B16 |
| RGB | rgb(88, 27, 22) |
| HSL | hsl(5, 60%, 22%) |
| OKLCH | oklch(31.8% 0.091 28) |
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 #581B16 | 13.26:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #581B16 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #581B16 text on white | 13.26:1 | AAA | Lc 99.0 | Preferred for body text |
| #581B16 text on black | 1.58:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FA6F61
oklch(70.8% 0.173 28)
-
Step 500
500
#F23A32
oklch(63.1% 0.221 28)
-
Step 600
600
#D9000F
oklch(55.6% 0.227 28)
-
Step 700
700
#B8000B
oklch(49.2% 0.201 28)
-
Step 800
800
#980007
oklch(42.7% 0.175 28)
-
Step 900
900
#7D0D0C
oklch(37.8% 0.145 28.1)
-
Step 950
950 (this color)
#581B16
oklch(31.8% 0.091 28)
#581B16 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) | #2C2715 | 0.095 |
| Deuteranopia (no green cones) | #3B3514 | 0.089 |
| Tritanopia (no blue cones) | #610C1A | 0.030 |
| Achromatopsia (no color) | #303030 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581B16
#581B16
oklch(31.8% 0.091 28)
- #003A41
#003A41
oklch(31.9% 0.055 208)
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 #581B16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.045
- Reddy Brown #6E1005 ΔE 0.048
- Burgundy #610023 ΔE 0.049
- Chocolate Brown #411900 ΔE 0.060
- Mahogany #4A0100 ΔE 0.062
- Blood #770001 ΔE 0.068
- Chestnut #742802 ΔE 0.076
- Wine Red #7B0323 ΔE 0.080
Use #581B16 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.