#681F23
Closest named color: Reddy Brown (#6E1005). oklch(35.6% 0.104 21.1), rgb(104, 31, 35).
Aa
White text reads best on this color (11.60:1).
About this color
#681F23 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.104 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.032 away. White text reads best on it, at 11.60:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.80:1 |
| White text | 11.60:1 |
Values
| HEX | #681F23 |
| RGB | rgb(104, 31, 35) |
| HSL | hsl(357, 54%, 26%) |
| OKLCH | oklch(35.6% 0.104 21.1) |
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 #681F23 | 11.60:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #681F23 | 1.80:1 | Fails | Lc 8.0 | Not readable |
| #681F23 text on white | 11.60:1 | AAA | Lc 95.9 | Preferred for body text |
| #681F23 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F5CECD
oklch(88.4% 0.044 19.8)
-
Step 300
300
#EFADAB
oklch(80.9% 0.078 20.9)
-
Step 400
400
#E47F7E
oklch(70.7% 0.125 21.3)
-
Step 500
500
#D95A5E
oklch(63.1% 0.16 21)
-
Step 600
600
#C43B44
oklch(55.6% 0.173 21.3)
-
Step 700
700
#A92B36
oklch(49.1% 0.162 21)
-
Step 800
800
#89262D
oklch(42.6% 0.133 21.1)
-
Step 900
900 (this color)
#681F23
oklch(35.6% 0.104 21.1)
-
Step 950
950
#411718
oklch(27% 0.066 21.1)
#681F23 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) | #322F23 | 0.113 |
| Deuteranopia (no green cones) | #453E21 | 0.103 |
| Tritanopia (no blue cones) | #720E21 | 0.028 |
| Achromatopsia (no color) | #393939 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681F23
#681F23
oklch(35.6% 0.104 21.1)
- #004549
#004549
oklch(35.5% 0.06 201.4)
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 #681F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.032
- Claret #680018 ΔE 0.040
- Blood #770001 ΔE 0.046
- Wine Red #7B0323 ΔE 0.046
- Chestnut #742802 ΔE 0.051
- Burgundy #610023 ΔE 0.052
- Bordeaux #7B002C ΔE 0.052
- Maroon #800000 ΔE 0.057
Use #681F23 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.