#73183A
Closest named color: Merlot (#730039). oklch(37.5% 0.127 3.4), rgb(115, 24, 58).
Aa
White text reads best on this color (10.93:1).
About this color
#73183A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.127 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.025 away. White text reads best on it, at 10.93:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #73183A |
| RGB | rgb(115, 24, 58) |
| HSL | hsl(338, 65%, 27%) |
| OKLCH | oklch(37.5% 0.127 3.4) |
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 #73183A | 10.93:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #73183A | 1.92:1 | Fails | Lc 9.8 | Not readable |
| #73183A text on white | 10.93:1 | AAA | Lc 94.2 | Preferred for body text |
| #73183A text on black | 1.92:1 | Fails | Lc -8.4 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F9CBD5
oklch(88.5% 0.053 3.6)
-
Step 300
300
#F5A7BA
oklch(80.9% 0.095 3.5)
-
Step 400
400
#EC7497
oklch(70.7% 0.152 3.3)
-
Step 500
500
#E2477D
oklch(63% 0.195 3.4)
-
Step 600
600
#CD1A66
oklch(55.5% 0.211 3.5)
-
Step 700
700
#B10255
oklch(49.1% 0.197 3.4)
-
Step 800
800
#900E46
oklch(42.7% 0.163 3.2)
-
Step 900
900 (this color)
#73183A
oklch(37.5% 0.127 3.4)
-
Step 950
950
#441122
oklch(27% 0.08 3.7)
#73183A 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) | #2E313B | 0.142 |
| Deuteranopia (no green cones) | #464338 | 0.129 |
| Tritanopia (no blue cones) | #7E0427 | 0.036 |
| Achromatopsia (no color) | #3D3D3D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73183A
#73183A
oklch(37.5% 0.127 3.4)
- #004C45
#004C45
oklch(37.4% 0.066 184.4)
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 #73183A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.025
- Bordeaux #7B002C ΔE 0.029
- Wine #80013F ΔE 0.033
- Wine Red #7B0323 ΔE 0.037
- Red Purple #820747 ΔE 0.040
- Velvet #750851 ΔE 0.047
- Red Wine #8C0034 ΔE 0.053
- Claret #680018 ΔE 0.059
Use #73183A 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.