#683333
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.076 21.1), rgb(104, 51, 51).
Aa
White text reads best on this color (9.95:1).
About this color
#683333 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.076 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.021 away. White text reads best on it, at 9.95:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #683333 |
| RGB | rgb(104, 51, 51) |
| HSL | hsl(0, 34%, 30%) |
| OKLCH | oklch(39.1% 0.076 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 #683333 | 9.95:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #683333 | 2.10:1 | Fails | Lc 11.2 | Not readable |
| #683333 text on white | 9.95:1 | AAA | Lc 92.8 | Preferred for body text |
| #683333 text on black | 2.10:1 | Fails | Lc -9.7 | 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
#E3B3B1
oklch(80.9% 0.056 21.2)
-
Step 400
400
#D48A88
oklch(70.8% 0.091 21.3)
-
Step 500
500
#C66B6A
oklch(63.1% 0.116 21.5)
-
Step 600
600
#B15052
oklch(55.5% 0.127 20.9)
-
Step 700
700
#984143
oklch(49.1% 0.117 21)
-
Step 800
800
#7C3637
oklch(42.8% 0.098 21.2)
-
Step 900
900 (this color)
#683333
oklch(39.1% 0.076 21.1)
-
Step 950
950
#3B1C1C
oklch(27% 0.049 20.8)
#683333 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) | #3F3C33 | 0.080 |
| Deuteranopia (no green cones) | #4C4732 | 0.075 |
| Tritanopia (no blue cones) | #712C33 | 0.023 |
| Achromatopsia (no color) | #434343 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683333
#683333
oklch(39.1% 0.076 21.1)
- #004F54
#004F54
oklch(38.9% 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 #683333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.021
- Chestnut #742802 ΔE 0.052
- Brownish Purple #76424E ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.070
- Wine Red #7B0323 ΔE 0.073
- Red Brown #8B2E16 ΔE 0.076
- Bordeaux #7B002C ΔE 0.077
- Blood #770001 ΔE 0.079
Use #683333 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.