#731519
Closest named color: Reddy Brown (#6E1005). oklch(36.5% 0.128 24.4), rgb(115, 21, 25).
Aa
White text reads best on this color (11.34:1).
About this color
#731519 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.128 and its hue 24°. 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 11.34:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.85:1 |
| White text | 11.34:1 |
Values
| HEX | #731519 |
| RGB | rgb(115, 21, 25) |
| HSL | hsl(357, 69%, 27%) |
| OKLCH | oklch(36.5% 0.128 24.4) |
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 #731519 | 11.34:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #731519 | 1.85:1 | Fails | Lc 9.1 | Not readable |
| #731519 text on white | 11.34:1 | AAA | Lc 94.8 | Preferred for body text |
| #731519 text on black | 1.85:1 | Fails | Lc -7.8 | 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
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC8
oklch(88.5% 0.054 23.9)
-
Step 300
300
#F9A8A2
oklch(80.9% 0.097 24.1)
-
Step 400
400
#F17570
oklch(70.6% 0.154 24.1)
-
Step 500
500
#E8494A
oklch(63.1% 0.196 24.4)
-
Step 600
600
#D31B2C
oklch(55.5% 0.212 24.4)
-
Step 700
700
#B7021F
oklch(49.2% 0.198 24.4)
-
Step 800
800
#940F1B
oklch(42.7% 0.164 24.6)
-
Step 900
900 (this color)
#731519
oklch(36.5% 0.128 24.4)
-
Step 950
950
#461111
oklch(26.9% 0.081 24.4)
#731519 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) | #322D18 | 0.139 |
| Deuteranopia (no green cones) | #494115 | 0.127 |
| Tritanopia (no blue cones) | #7F0018 | 0.027 |
| Achromatopsia (no color) | #3A3A3A | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731519
#731519
oklch(36.5% 0.128 24.4)
- #00474E
#00474E
oklch(36.3% 0.062 206)
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 #731519, 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 0.023
- Wine Red #7B0323 ΔE 0.027
- Maroon #800000 ΔE 0.032
- Bordeaux #7B002C ΔE 0.039
- Claret #680018 ΔE 0.039
- Chestnut #742802 ΔE 0.044
- Dark Red #8B0000 ΔE 0.052
Use #731519 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.