#681F1F
Closest named color: Reddy Brown (#6E1005). oklch(35.5% 0.105 24.2), rgb(104, 31, 31).
Aa
White text reads best on this color (11.63:1).
About this color
#681F1F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.105 and its hue 24°. 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 11.63:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.80:1 |
| White text | 11.63:1 |
Values
| HEX | #681F1F |
| RGB | rgb(104, 31, 31) |
| HSL | hsl(0, 54%, 26%) |
| OKLCH | oklch(35.5% 0.105 24.2) |
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 #681F1F | 11.63:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #681F1F | 1.80:1 | Fails | Lc 8.0 | Not readable |
| #681F1F text on white | 11.63:1 | AAA | Lc 95.9 | Preferred for body text |
| #681F1F text on black | 1.80:1 | 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
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#EFADA8
oklch(80.8% 0.078 23.8)
-
Step 400
400
#E47F7A
oklch(70.6% 0.126 23.7)
-
Step 500
500
#D95A57
oklch(63% 0.161 24.2)
-
Step 600
600
#C53B3D
oklch(55.6% 0.175 24.1)
-
Step 700
700
#AA2C2F
oklch(49.2% 0.162 24.3)
-
Step 800
800
#8A2628
oklch(42.7% 0.135 23.9)
-
Step 900
900 (this color)
#681F1F
oklch(35.5% 0.105 24.2)
-
Step 950
950
#411716
oklch(27% 0.066 23.9)
#681F1F 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) | #332F1E | 0.112 |
| Deuteranopia (no green cones) | #453E1D | 0.103 |
| Tritanopia (no blue cones) | #730D20 | 0.031 |
| Achromatopsia (no color) | #383838 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681F1F
#681F1F
oklch(35.5% 0.105 24.2)
- #00454A
#00454A
oklch(35.6% 0.061 203)
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 #681F1F, 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 0.040
- Blood #770001 ΔE 0.043
- Chestnut #742802 ΔE 0.047
- Wine Red #7B0323 ΔE 0.048
- Burgundy #610023 ΔE 0.054
- Bordeaux #7B002C ΔE 0.055
- Maroon #800000 ΔE 0.055
Use #681F1F 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.