#75170A
Closest named color: Reddy Brown (#6E1005). oklch(36.9% 0.13 31.2), rgb(117, 23, 10).
Aa
White text reads best on this color (11.15:1).
About this color
#75170A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.130 and its hue 31°. 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 11.15:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #75170A |
| RGB | rgb(117, 23, 10) |
| HSL | hsl(7, 84%, 25%) |
| OKLCH | oklch(36.9% 0.13 31.2) |
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 #75170A | 11.15:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #75170A | 1.88:1 | Fails | Lc 9.5 | Not readable |
| #75170A text on white | 11.15:1 | AAA | Lc 94.4 | Preferred for body text |
| #75170A text on black | 1.88:1 | Fails | Lc -8.2 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DE
oklch(93.5% 0.028 31.1)
-
Step 200
200
#FBCDC3
oklch(88.5% 0.054 32.4)
-
Step 300
300
#F9A99A
oklch(80.9% 0.098 31)
-
Step 400
400
#F27661
oklch(70.6% 0.157 31.2)
-
Step 500
500
#E94A33
oklch(63.1% 0.199 31.2)
-
Step 600
600
#D41E00
oklch(55.6% 0.215 31.2)
-
Step 700
700
#B41700
oklch(49.2% 0.191 31.1)
-
Step 800
800
#951100
oklch(42.8% 0.166 31.1)
-
Step 900
900 (this color)
#75170A
oklch(36.9% 0.13 31.2)
-
Step 950
950
#47120A
oklch(27.1% 0.083 31.4)
#75170A 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) | #352E07 | 0.139 |
| Deuteranopia (no green cones) | #4C4304 | 0.126 |
| Tritanopia (no blue cones) | #820015 | 0.034 |
| Achromatopsia (no color) | #3B3B3B | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75170A
#75170A
oklch(36.9% 0.13 31.2)
- #004853
#004853
oklch(36.9% 0.064 212)
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 #75170A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.020
- Blood #770001 ΔE 0.021
- Maroon #800000 ΔE 0.026
- Chestnut #742802 ΔE 0.032
- Wine Red #7B0323 ΔE 0.039
- Dark Red #8B0000 ΔE 0.046
- Claret #680018 ΔE 0.050
- Bordeaux #7B002C ΔE 0.052
Use #75170A 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.