#75183C
Closest named color: Merlot (#730039). oklch(37.9% 0.129 2.6), rgb(117, 24, 60).
Aa
White text reads best on this color (10.75:1).
About this color
#75183C is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.129 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.026 away. White text reads best on it, at 10.75:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.95:1 |
| White text | 10.75:1 |
Values
| HEX | #75183C |
| RGB | rgb(117, 24, 60) |
| HSL | hsl(337, 66%, 28%) |
| OKLCH | oklch(37.9% 0.129 2.6) |
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 #75183C | 10.75:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #75183C | 1.95:1 | Fails | Lc 10.2 | Not readable |
| #75183C text on white | 10.75:1 | AAA | Lc 93.8 | Preferred for body text |
| #75183C text on black | 1.95:1 | Fails | Lc -8.8 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F9CBD6
oklch(88.5% 0.054 2.2)
-
Step 300
300
#F6A6BB
oklch(80.9% 0.098 2.3)
-
Step 400
400
#ED7298
oklch(70.6% 0.156 2.4)
-
Step 500
500
#E3457F
oklch(63.1% 0.198 2.4)
-
Step 600
600
#CE1468
oklch(55.5% 0.216 2.5)
-
Step 700
700
#B10057
oklch(49.1% 0.198 2.4)
-
Step 800
800
#910A47
oklch(42.8% 0.166 2.6)
-
Step 900
900 (this color)
#75183C
oklch(37.9% 0.129 2.6)
-
Step 950
950
#451023
oklch(27.1% 0.083 2.5)
#75183C 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) | #2E323D | 0.146 |
| Deuteranopia (no green cones) | #47443A | 0.131 |
| Tritanopia (no blue cones) | #800428 | 0.037 |
| Achromatopsia (no color) | #3E3E3E | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75183C
#75183C
oklch(37.9% 0.129 2.6)
- #004E45
#004E45
oklch(38% 0.068 181.8)
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 #75183C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.026
- Wine #80013F ΔE 0.028
- Bordeaux #7B002C ΔE 0.029
- Red Purple #820747 ΔE 0.035
- Wine Red #7B0323 ΔE 0.039
- Velvet #750851 ΔE 0.045
- Red Wine #8C0034 ΔE 0.049
- Rich Purple #720058 ΔE 0.062
Use #75183C 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.