#75303B
Closest named color: Purple Brown (#673A3F). oklch(40.8% 0.097 12.6), rgb(117, 48, 59).
Aa
White text reads best on this color (9.36:1).
About this color
#75303B is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.097 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.36:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #75303B |
| RGB | rgb(117, 48, 59) |
| HSL | hsl(350, 42%, 32%) |
| OKLCH | oklch(40.8% 0.097 12.6) |
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 #75303B | 9.36:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #75303B | 2.24:1 | Fails | Lc 12.8 | Not readable |
| #75303B text on white | 9.36:1 | AAA | Lc 91.1 | Preferred for body text |
| #75303B text on black | 2.24:1 | Fails | Lc -11.2 | 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 800.
-
Step 50
50
#FAF3F4
oklch(97% 0.008 7.3)
-
Step 100
100
#F5E6E7
oklch(93.7% 0.016 12.8)
-
Step 200
200
#EDD1D3
oklch(88.5% 0.031 12.8)
-
Step 300
300
#E3B2B6
oklch(80.9% 0.057 12.9)
-
Step 400
400
#D38991
oklch(70.8% 0.091 12.6)
-
Step 500
500
#C56A76
oklch(63.1% 0.116 12.6)
-
Step 600
600
#B0505E
oklch(55.6% 0.126 13.1)
-
Step 700
700
#97404E
oklch(49.1% 0.117 12.6)
-
Step 800
800 (this color)
#75303B
oklch(40.8% 0.097 12.6)
-
Step 900
900
#632F36
oklch(37.7% 0.075 12.9)
-
Step 950
950
#3A1C20
oklch(27% 0.047 12.2)
#75303B 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) | #3F3E3B | 0.106 |
| Deuteranopia (no green cones) | #504C39 | 0.100 |
| Tritanopia (no blue cones) | #7F2734 | 0.024 |
| Achromatopsia (no color) | #464646 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75303B
#75303B
oklch(40.8% 0.097 12.6)
- #005654
#005654
oklch(40.9% 0.07 192)
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 #75303B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Brownish Purple #76424E ΔE 0.046
- Chestnut #742802 ΔE 0.060
- Wine Red #7B0323 ΔE 0.062
- Red Brown #8B2E16 ΔE 0.063
- Bordeaux #7B002C ΔE 0.063
- Red Wine #8C0034 ΔE 0.066
- Wine #80013F ΔE 0.067
Use #75303B 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.