#651D40
Closest named color: Merlot (#730039). oklch(35.7% 0.11 354.2), rgb(101, 29, 64).
Aa
White text reads best on this color (11.64:1).
About this color
#651D40 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.110 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.039 away. White text reads best on it, at 11.64:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.80:1 |
| White text | 11.64:1 |
Values
| HEX | #651D40 |
| RGB | rgb(101, 29, 64) |
| HSL | hsl(331, 55%, 25%) |
| OKLCH | oklch(35.7% 0.11 354.2) |
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 #651D40 | 11.64:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #651D40 | 1.80:1 | Fails | Lc 7.9 | Not readable |
| #651D40 text on white | 11.64:1 | AAA | Lc 96.0 | Preferred for body text |
| #651D40 text on black | 1.80:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F8E4EB
oklch(93.7% 0.024 354.3)
-
Step 200
200
#F3CDDB
oklch(88.5% 0.046 353.9)
-
Step 300
300
#ECABC4
oklch(80.9% 0.082 354.3)
-
Step 400
400
#DF7CA6
oklch(70.7% 0.131 354.1)
-
Step 500
500
#D35690
oklch(63% 0.168 354.1)
-
Step 600
600
#BE367A
oklch(55.5% 0.182 354.2)
-
Step 700
700
#A42767
oklch(49.2% 0.17 354.2)
-
Step 800
800
#852354
oklch(42.7% 0.14 354.2)
-
Step 900
900 (this color)
#651D40
oklch(35.7% 0.11 354.2)
-
Step 950
950
#3F1629
oklch(27.1% 0.069 353.7)
#651D40 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) | #293041 | 0.122 |
| Deuteranopia (no green cones) | #3D3D3E | 0.109 |
| Tritanopia (no blue cones) | #6D172C | 0.036 |
| Achromatopsia (no color) | #383838 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #651D40
#651D40
oklch(35.7% 0.11 354.2)
- #00483A
#00483A
oklch(35.8% 0.068 174.1)
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 #651D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.039
- Grape Purple #5D1451 ΔE 0.045
- Velvet #750851 ΔE 0.050
- Burgundy #610023 ΔE 0.055
- Bordeaux #7B002C ΔE 0.056
- Wine #80013F ΔE 0.059
- Rich Purple #720058 ΔE 0.061
- Claret #680018 ΔE 0.063
Use #651D40 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.