#683131
Closest named color: Purple Brown (#673A3F). oklch(38.7% 0.079 21.4), rgb(104, 49, 49).
Aa
White text reads best on this color (10.13:1).
About this color
#683131 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.026 away. White text reads best on it, at 10.13:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #683131 |
| RGB | rgb(104, 49, 49) |
| HSL | hsl(0, 36%, 30%) |
| OKLCH | oklch(38.7% 0.079 21.4) |
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 #683131 | 10.13:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #683131 | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #683131 text on white | 10.13:1 | AAA | Lc 93.2 | Preferred for body text |
| #683131 text on black | 2.07:1 | Fails | Lc -9.3 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EED1D0
oklch(88.5% 0.033 20.1)
-
Step 300
300
#E5B2B0
oklch(80.9% 0.06 21.1)
-
Step 400
400
#D58886
oklch(70.6% 0.095 21.4)
-
Step 500
500
#C86969
oklch(63.1% 0.121 21.1)
-
Step 600
600
#B44F50
oklch(55.7% 0.132 21.7)
-
Step 700
700
#9A3F41
oklch(49.1% 0.122 21.4)
-
Step 800
800
#7D3436
oklch(42.6% 0.102 20.8)
-
Step 900
900 (this color)
#683131
oklch(38.7% 0.079 21.4)
-
Step 950
950
#3B1C1B
oklch(27% 0.049 22.8)
#683131 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) | #3D3B31 | 0.085 |
| Deuteranopia (no green cones) | #4B4630 | 0.078 |
| Tritanopia (no blue cones) | #712931 | 0.024 |
| Achromatopsia (no color) | #414141 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683131
#683131
oklch(38.7% 0.079 21.4)
- #004E53
#004E53
oklch(38.6% 0.066 202.2)
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 #683131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.026
- Chestnut #742802 ΔE 0.050
- Brownish Purple #76424E ΔE 0.063
- Reddy Brown #6E1005 ΔE 0.065
- Wine Red #7B0323 ΔE 0.069
- Bordeaux #7B002C ΔE 0.074
- Blood #770001 ΔE 0.075
- Red Brown #8B2E16 ΔE 0.076
Use #683131 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.