#731917
Closest named color: Reddy Brown (#6E1005). oklch(36.8% 0.125 26.8), rgb(115, 25, 23).
Aa
White text reads best on this color (11.16:1).
About this color
#731917 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.125 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.022 away. White text reads best on it, at 11.16:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #731917 |
| RGB | rgb(115, 25, 23) |
| HSL | hsl(1, 67%, 27%) |
| OKLCH | oklch(36.8% 0.125 26.8) |
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 #731917 | 11.16:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #731917 | 1.88:1 | Fails | Lc 9.3 | Not readable |
| #731917 text on white | 11.16:1 | AAA | Lc 94.6 | Preferred for body text |
| #731917 text on black | 1.88:1 | Fails | Lc -8.0 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC7
oklch(88.6% 0.052 27)
-
Step 300
300
#F7A9A0
oklch(80.8% 0.094 26.6)
-
Step 400
400
#EF786D
oklch(70.7% 0.149 26.9)
-
Step 500
500
#E64D45
oklch(63.1% 0.191 27)
-
Step 600
600
#D12326
oklch(55.5% 0.207 26.7)
-
Step 700
700
#B50F18
oklch(49.1% 0.193 26.8)
-
Step 800
800
#931517
oklch(42.8% 0.16 26.8)
-
Step 900
900 (this color)
#731917
oklch(36.8% 0.125 26.8)
-
Step 950
950
#461310
oklch(27.2% 0.079 27)
#731917 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) | #342F16 | 0.134 |
| Deuteranopia (no green cones) | #4A4213 | 0.123 |
| Tritanopia (no blue cones) | #7F001A | 0.031 |
| Achromatopsia (no color) | #3B3B3B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731917
#731917
oklch(36.8% 0.125 26.8)
- #004850
#004850
oklch(36.7% 0.063 207.4)
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 #731917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.022
- Blood #770001 ΔE 0.025
- Maroon #800000 ΔE 0.032
- Wine Red #7B0323 ΔE 0.033
- Chestnut #742802 ΔE 0.037
- Bordeaux #7B002C ΔE 0.044
- Claret #680018 ΔE 0.045
- Dark Red #8B0000 ΔE 0.051
Use #731917 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.