#681A21
Closest named color: Reddy Brown (#6E1005). oklch(35% 0.11 20.1), rgb(104, 26, 33).
Aa
White text reads best on this color (11.94:1).
About this color
#681A21 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.110 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.029 away. White text reads best on it, at 11.94:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.75:1 |
| White text | 11.94:1 |
Values
| HEX | #681A21 |
| RGB | rgb(104, 26, 33) |
| HSL | hsl(355, 60%, 25%) |
| OKLCH | oklch(35% 0.11 20.1) |
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 #681A21 | 11.94:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #681A21 | 1.75:1 | Fails | Lc 7.5 | Not readable |
| #681A21 text on white | 11.94:1 | AAA | Lc 96.4 | Preferred for body text |
| #681A21 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F6CECD
oklch(88.5% 0.045 19.7)
-
Step 300
300
#F2ACAA
oklch(81% 0.083 20.9)
-
Step 400
400
#E77C7E
oklch(70.6% 0.132 19.8)
-
Step 500
500
#DD565D
oklch(63.2% 0.169 20.3)
-
Step 600
600
#C83444
oklch(55.6% 0.184 19.9)
-
Step 700
700
#AC2435
oklch(49% 0.171 20.1)
-
Step 800
800
#8C212C
oklch(42.7% 0.142 20.3)
-
Step 900
900 (this color)
#681A21
oklch(35% 0.11 20.1)
-
Step 950
950
#421518
oklch(26.9% 0.07 19.2)
#681A21 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) | #2F2C21 | 0.121 |
| Deuteranopia (no green cones) | #433D1F | 0.111 |
| Tritanopia (no blue cones) | #73031D | 0.030 |
| Achromatopsia (no color) | #373737 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681A21
#681A21
oklch(35% 0.11 20.1)
- #004347
#004347
oklch(34.8% 0.059 201.6)
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 #681A21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.029
- Claret #680018 ΔE 0.031
- Blood #770001 ΔE 0.042
- Wine Red #7B0323 ΔE 0.043
- Burgundy #610023 ΔE 0.044
- Bordeaux #7B002C ΔE 0.049
- Chestnut #742802 ΔE 0.056
- Maroon #800000 ΔE 0.056
Use #681A21 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.