#671817
Closest named color: Reddy Brown (#6E1005). oklch(34.4% 0.112 25.9), rgb(103, 24, 23).
Aa
White text reads best on this color (12.21:1).
About this color
#671817 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.112 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.020 away. White text reads best on it, at 12.21:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.71:1 |
| White text | 12.21:1 |
Values
| HEX | #671817 |
| RGB | rgb(103, 24, 23) |
| HSL | hsl(1, 63%, 25%) |
| OKLCH | oklch(34.4% 0.112 25.9) |
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 #671817 | 12.21:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #671817 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #671817 text on white | 12.21:1 | AAA | Lc 96.8 | Preferred for body text |
| #671817 text on black | 1.71:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC9
oklch(88.5% 0.047 26.2)
-
Step 300
300
#F2ACA4
oklch(80.9% 0.084 26.4)
-
Step 400
400
#E87D74
oklch(70.7% 0.134 26)
-
Step 500
500
#DE564F
oklch(63.1% 0.172 26.1)
-
Step 600
600
#CA3433
oklch(55.7% 0.187 26)
-
Step 700
700
#AE2426
oklch(49.1% 0.174 25.9)
-
Step 800
800
#8D2121
oklch(42.7% 0.144 25.8)
-
Step 900
900 (this color)
#671817
oklch(34.4% 0.112 25.9)
-
Step 950
950
#431513
oklch(26.9% 0.072 25.6)
#671817 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) | #2F2A16 | 0.121 |
| Deuteranopia (no green cones) | #433C14 | 0.111 |
| Tritanopia (no blue cones) | #720019 | 0.032 |
| Achromatopsia (no color) | #353535 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #671817
#671817
oklch(34.4% 0.112 25.9)
- #004148
#004148
oklch(34.3% 0.059 206.9)
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 #671817, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.020
- Claret #680018 ΔE 0.029
- Blood #770001 ΔE 0.038
- Burgundy #610023 ΔE 0.046
- Wine Red #7B0323 ΔE 0.049
- Chestnut #742802 ΔE 0.053
- Maroon #800000 ΔE 0.054
- Bordeaux #7B002C ΔE 0.057
Use #671817 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.