#641733
Closest named color: Burgundy (#610023). oklch(34.4% 0.111 3.2), rgb(100, 23, 51).
Aa
White text reads best on this color (12.26:1).
About this color
#641733 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.111 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.035 away. White text reads best on it, at 12.26:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.71:1 |
| White text | 12.26:1 |
Values
| HEX | #641733 |
| RGB | rgb(100, 23, 51) |
| HSL | hsl(338, 63%, 24%) |
| OKLCH | oklch(34.4% 0.111 3.2) |
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 #641733 | 12.26:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #641733 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #641733 text on white | 12.26:1 | AAA | Lc 97.0 | Preferred for body text |
| #641733 text on black | 1.71:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F5CDD6
oklch(88.5% 0.046 2.9)
-
Step 300
300
#EFAABB
oklch(80.8% 0.084 2.9)
-
Step 400
400
#E47B98
oklch(70.8% 0.133 3.4)
-
Step 500
500
#D9547F
oklch(63.1% 0.171 3.3)
-
Step 600
600
#C43268
oklch(55.6% 0.186 3.3)
-
Step 700
700
#A92357
oklch(49.2% 0.172 3.2)
-
Step 800
800
#892047
oklch(42.7% 0.143 3.2)
-
Step 900
900 (this color)
#641733
oklch(34.4% 0.111 3.2)
-
Step 950
950
#411523
oklch(27% 0.07 3.2)
#641733 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) | #282B34 | 0.125 |
| Deuteranopia (no green cones) | #3D3B31 | 0.114 |
| Tritanopia (no blue cones) | #6D0923 | 0.031 |
| Achromatopsia (no color) | #353535 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641733
#641733
oklch(34.4% 0.111 3.2)
- #00433C
#00433C
oklch(34.4% 0.061 183.3)
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 #641733, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.035
- Merlot #730039 ΔE 0.038
- Claret #680018 ΔE 0.042
- Bordeaux #7B002C ΔE 0.050
- Wine Red #7B0323 ΔE 0.054
- Grape Purple #5D1451 ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.060
- Wine #80013F ΔE 0.063
Use #641733 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.