#740637
Closest named color: Merlot (#730039). oklch(36.4% 0.142 2.9), rgb(116, 6, 55).
Aa
White text reads best on this color (11.51:1).
About this color
#740637 is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.142 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.008 away. White text reads best on it, at 11.51:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.82:1 |
| White text | 11.51:1 |
Values
| HEX | #740637 |
| RGB | rgb(116, 6, 55) |
| HSL | hsl(333, 90%, 24%) |
| OKLCH | oklch(36.4% 0.142 2.9) |
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 #740637 | 11.51:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #740637 | 1.82:1 | Fails | Lc 9.2 | Not readable |
| #740637 text on white | 11.51:1 | AAA | Lc 94.7 | Preferred for body text |
| #740637 text on black | 1.82:1 | Fails | Lc -7.9 | 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
#FDE2E8
oklch(93.6% 0.031 2.6)
-
Step 200
200
#FCCAD5
oklch(88.6% 0.058 3.6)
-
Step 300
300
#FBA3BA
oklch(80.9% 0.107 2.8)
-
Step 400
400
#F36C96
oklch(70.6% 0.17 3)
-
Step 500
500
#EA387D
oklch(63% 0.217 2.8)
-
Step 600
600
#D10067
oklch(55.5% 0.224 2.7)
-
Step 700
700
#B10056
oklch(49% 0.198 2.8)
-
Step 800
800
#930046
oklch(42.8% 0.172 3)
-
Step 900
900 (this color)
#740637
oklch(36.4% 0.142 2.9)
-
Step 950
950
#470C22
oklch(27% 0.09 3.1)
#740637 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) | #272C38 | 0.162 |
| Deuteranopia (no green cones) | #444035 | 0.142 |
| Tritanopia (no blue cones) | #7F001F | 0.044 |
| Achromatopsia (no color) | #393939 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #740637
#740637
oklch(36.4% 0.142 2.9)
- #004941
#004941
oklch(36.4% 0.065 182.6)
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 #740637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.008
- Bordeaux #7B002C ΔE 0.023
- Wine #80013F ΔE 0.029
- Wine Red #7B0323 ΔE 0.036
- Red Purple #820747 ΔE 0.039
- Velvet #750851 ΔE 0.044
- Claret #680018 ΔE 0.053
- Burgundy #610023 ΔE 0.054
Use #740637 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.