#75183A
Closest named color: Merlot (#730039). oklch(37.9% 0.129 4), rgb(117, 24, 58).
Aa
White text reads best on this color (10.77:1).
About this color
#75183A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.129 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.027 away. White text reads best on it, at 10.77:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #75183A |
| RGB | rgb(117, 24, 58) |
| HSL | hsl(338, 66%, 28%) |
| OKLCH | oklch(37.9% 0.129 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 #75183A | 10.77:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #75183A | 1.94:1 | Fails | Lc 10.1 | Not readable |
| #75183A text on white | 10.77:1 | AAA | Lc 93.8 | Preferred for body text |
| #75183A text on black | 1.94:1 | Fails | Lc -8.7 | 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
#F6A6B9
oklch(80.8% 0.097 3.9)
-
Step 400
400
#ED7395
oklch(70.7% 0.154 4.2)
-
Step 500
500
#E4457C
oklch(63.1% 0.199 3.8)
-
Step 600
600
#CF1565
oklch(55.6% 0.215 3.9)
-
Step 700
700
#B20054
oklch(49.2% 0.198 3.9)
-
Step 800
800
#910B44
oklch(42.7% 0.165 4.3)
-
Step 900
900 (this color)
#75183A
oklch(37.9% 0.129 4)
-
Step 950
950
#451022
oklch(27% 0.082 3.8)
#75183A 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) | #2F323B | 0.144 |
| Deuteranopia (no green cones) | #474438 | 0.131 |
| Tritanopia (no blue cones) | #800327 | 0.036 |
| Achromatopsia (no color) | #3D3D3D | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75183A
#75183A
oklch(37.9% 0.129 4)
- #004D46
#004D46
oklch(37.8% 0.067 184.5)
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 #75183A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.027
- Bordeaux #7B002C ΔE 0.027
- Wine #80013F ΔE 0.030
- Wine Red #7B0323 ΔE 0.036
- Red Purple #820747 ΔE 0.037
- Velvet #750851 ΔE 0.048
- Red Wine #8C0034 ΔE 0.049
- Claret #680018 ΔE 0.061
Use #75183A 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.