#73103B
Closest named color: Merlot (#730039). oklch(36.9% 0.135 1.1), rgb(115, 16, 59).
Aa
White text reads best on this color (11.25:1).
About this color
#73103B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.135 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.014 away. White text reads best on it, at 11.25:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.86:1 |
| White text | 11.25:1 |
Values
| HEX | #73103B |
| RGB | rgb(115, 16, 59) |
| HSL | hsl(334, 76%, 26%) |
| OKLCH | oklch(36.9% 0.135 1.1) |
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 #73103B | 11.25:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #73103B | 1.86:1 | Fails | Lc 9.4 | Not readable |
| #73103B text on white | 11.25:1 | AAA | Lc 94.6 | Preferred for body text |
| #73103B text on black | 1.86:1 | Fails | Lc -8.0 | 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
#FCE2E8
oklch(93.6% 0.03 2)
-
Step 200
200
#FACAD7
oklch(88.4% 0.057 0.3)
-
Step 300
300
#F8A5BC
oklch(80.9% 0.102 1.6)
-
Step 400
400
#EF709A
oklch(70.7% 0.161 1.3)
-
Step 500
500
#E64082
oklch(63.2% 0.207 1.1)
-
Step 600
600
#D1006B
oklch(55.6% 0.225 1.2)
-
Step 700
700
#B1005A
oklch(49.2% 0.199 1.1)
-
Step 800
800
#920049
oklch(42.7% 0.173 1.1)
-
Step 900
900 (this color)
#73103B
oklch(36.9% 0.135 1.1)
-
Step 950
950
#450F24
oklch(27% 0.085 0.9)
#73103B 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) | #292F3C | 0.154 |
| Deuteranopia (no green cones) | #444139 | 0.136 |
| Tritanopia (no blue cones) | #7E0024 | 0.041 |
| Achromatopsia (no color) | #3B3B3B | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73103B
#73103B
oklch(36.9% 0.135 1.1)
- #004B41
#004B41
oklch(37% 0.067 180)
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 #73103B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.014
- Bordeaux #7B002C ΔE 0.028
- Wine #80013F ΔE 0.029
- Red Purple #820747 ΔE 0.037
- Wine Red #7B0323 ΔE 0.040
- Velvet #750851 ΔE 0.040
- Red Wine #8C0034 ΔE 0.055
- Rich Purple #720058 ΔE 0.057
Use #73103B 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.