#731A01
Closest named color: Reddy Brown (#6E1005). oklch(36.7% 0.127 35.2), rgb(115, 26, 1).
Aa
White text reads best on this color (11.18:1).
About this color
#731A01 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.127 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.021 away. White text reads best on it, at 11.18:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #731A01 |
| RGB | rgb(115, 26, 1) |
| HSL | hsl(13, 98%, 23%) |
| OKLCH | oklch(36.7% 0.127 35.2) |
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 #731A01 | 11.18:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #731A01 | 1.87:1 | Fails | Lc 9.3 | Not readable |
| #731A01 text on white | 11.18:1 | AAA | Lc 94.6 | Preferred for body text |
| #731A01 text on black | 1.87:1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACEC2
oklch(88.6% 0.053 35.7)
-
Step 300
300
#F7AB97
oklch(80.9% 0.095 35.4)
-
Step 400
400
#F0795C
oklch(70.7% 0.153 34.8)
-
Step 500
500
#E74F27
oklch(63.2% 0.195 35.2)
-
Step 600
600
#CB3400
oklch(55.5% 0.194 35.2)
-
Step 700
700
#AC2B00
oklch(49.1% 0.171 35.3)
-
Step 800
800
#8E2100
oklch(42.6% 0.149 35.1)
-
Step 900
900 (this color)
#731A01
oklch(36.7% 0.127 35.2)
-
Step 950
950
#461307
oklch(27% 0.081 34.7)
#731A01 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) | #362E00 | 0.132 |
| Deuteranopia (no green cones) | #4C4200 | 0.117 |
| Tritanopia (no blue cones) | #800016 | 0.041 |
| Achromatopsia (no color) | #3B3B3B | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731A01
#731A01
oklch(36.7% 0.127 35.2)
- #004754
#004754
oklch(36.6% 0.065 215.1)
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 #731A01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.021
- Chestnut #742802 ΔE 0.026
- Blood #770001 ΔE 0.026
- Maroon #800000 ΔE 0.033
- Wine Red #7B0323 ΔE 0.048
- Dark Red #8B0000 ΔE 0.052
- Claret #680018 ΔE 0.054
- Brick Red #8F1402 ΔE 0.060
Use #731A01 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.