#641A38
Closest named color: Merlot (#730039). oklch(34.9% 0.109 359.8), rgb(100, 26, 56).
Aa
White text reads best on this color (12.02:1).
About this color
#641A38 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.109 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.038 away. White text reads best on it, at 12.02:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.74:1 |
| White text | 12.02:1 |
Values
| HEX | #641A38 |
| RGB | rgb(100, 26, 56) |
| HSL | hsl(336, 59%, 25%) |
| OKLCH | oklch(34.9% 0.109 359.8) |
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 #641A38 | 12.02:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #641A38 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #641A38 text on white | 12.02:1 | AAA | Lc 96.6 | Preferred for body text |
| #641A38 text on black | 1.74:1 | Fails | Lc 0.0 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E9
oklch(93.6% 0.023 0.5)
-
Step 200
200
#F4CDD8
oklch(88.5% 0.046 359.2)
-
Step 300
300
#EEABBF
oklch(81% 0.082 359.5)
-
Step 400
400
#E27C9D
oklch(70.8% 0.131 0.3)
-
Step 500
500
#D65686
oklch(63.2% 0.167 359.7)
-
Step 600
600
#C1356F
oklch(55.6% 0.182 359.9)
-
Step 700
700
#A6265D
oklch(49.1% 0.169 359.8)
-
Step 800
800
#87224C
oklch(42.7% 0.14 359.8)
-
Step 900
900 (this color)
#641A38
oklch(34.9% 0.109 359.8)
-
Step 950
950
#401525
oklch(26.9% 0.07 359.7)
#641A38 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) | #292D39 | 0.122 |
| Deuteranopia (no green cones) | #3D3C36 | 0.112 |
| Tritanopia (no blue cones) | #6D1126 | 0.034 |
| Achromatopsia (no color) | #363636 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641A38
#641A38
oklch(34.9% 0.109 359.8)
- #00453B
#00453B
oklch(35% 0.064 179)
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 #641A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.038
- Burgundy #610023 ΔE 0.043
- Claret #680018 ΔE 0.050
- Bordeaux #7B002C ΔE 0.052
- Grape Purple #5D1451 ΔE 0.053
- Wine Red #7B0323 ΔE 0.057
- Velvet #750851 ΔE 0.060
- Wine #80013F ΔE 0.062
Use #641A38 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.