#681B15
Closest named color: Reddy Brown (#6E1005). oklch(34.9% 0.111 28.6), rgb(104, 27, 21).
Aa
White text reads best on this color (11.95:1).
About this color
#681B15 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.111 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.019 away. White text reads best on it, at 11.95:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.75:1 |
| White text | 11.95:1 |
Values
| HEX | #681B15 |
| RGB | rgb(104, 27, 21) |
| HSL | hsl(4, 66%, 25%) |
| OKLCH | oklch(34.9% 0.111 28.6) |
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 #681B15 | 11.95:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #681B15 | 1.75:1 | Fails | Lc 7.5 | Not readable |
| #681B15 text on white | 11.95:1 | AAA | Lc 96.4 | Preferred for body text |
| #681B15 text on black | 1.75:1 | 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 900.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F6CEC8
oklch(88.4% 0.046 28)
-
Step 300
300
#F2ADA2
oklch(81% 0.083 29.1)
-
Step 400
400
#E77E70
oklch(70.6% 0.132 28.8)
-
Step 500
500
#DD584A
oklch(63.1% 0.169 28.8)
-
Step 600
600
#C9372D
oklch(55.7% 0.185 28.5)
-
Step 700
700
#AD271F
oklch(49.1% 0.172 28.6)
-
Step 800
800
#8C231C
oklch(42.6% 0.142 28.5)
-
Step 900
900 (this color)
#681B15
oklch(34.9% 0.111 28.6)
-
Step 950
950
#431611
oklch(27.1% 0.071 28.9)
#681B15 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) | #312C14 | 0.118 |
| Deuteranopia (no green cones) | #443D12 | 0.108 |
| Tritanopia (no blue cones) | #73011A | 0.036 |
| Achromatopsia (no color) | #373737 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681B15
#681B15
oklch(34.9% 0.111 28.6)
- #00434B
#00434B
oklch(35% 0.06 208.2)
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 #681B15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.019
- Claret #680018 ΔE 0.036
- Blood #770001 ΔE 0.037
- Chestnut #742802 ΔE 0.046
- Wine Red #7B0323 ΔE 0.050
- Maroon #800000 ΔE 0.052
- Burgundy #610023 ΔE 0.054
- Bordeaux #7B002C ΔE 0.059
Use #681B15 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.