#51243A
Closest named color: Grape Purple (#5D1451). oklch(33.1% 0.073 351.2), rgb(81, 36, 58).
Aa
White text reads best on this color (12.62:1).
About this color
#51243A is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.073 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.061 away. White text reads best on it, at 12.62:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.66:1 |
| White text | 12.62:1 |
Values
| HEX | #51243A |
| RGB | rgb(81, 36, 58) |
| HSL | hsl(331, 38%, 23%) |
| OKLCH | oklch(33.1% 0.073 351.2) |
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 #51243A | 12.62:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #51243A | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #51243A text on white | 12.62:1 | AAA | Lc 98.3 | Preferred for body text |
| #51243A text on black | 1.66:1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F3E6EB
oklch(93.7% 0.016 352)
-
Step 200
200
#EAD1DB
oklch(88.4% 0.031 351.6)
-
Step 300
300
#DEB3C5
oklch(81% 0.055 351.4)
-
Step 400
400
#CB8AA7
oklch(70.7% 0.087 351.2)
-
Step 500
500
#BC6C91
oklch(63.1% 0.111 351.6)
-
Step 600
600
#A7527C
oklch(55.5% 0.122 350.9)
-
Step 700
700
#8F4268
oklch(49% 0.113 351.2)
-
Step 800
800
#753755
oklch(42.8% 0.095 351.5)
-
Step 900
900 (this color)
#51243A
oklch(33.1% 0.073 351.2)
-
Step 950
950
#371C29
oklch(26.8% 0.047 350.4)
#51243A 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) | #292E3B | 0.080 |
| Deuteranopia (no green cones) | #353639 | 0.073 |
| Tritanopia (no blue cones) | #57222C | 0.026 |
| Achromatopsia (no color) | #333333 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51243A
#51243A
oklch(33.1% 0.073 351.2)
- #004031
#004031
oklch(33.1% 0.065 171)
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 #51243A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.061
- Burgundy #610023 ΔE 0.063
- Claret #680018 ΔE 0.075
- Deep Violet #490648 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.078
- Onyx #343A40 ΔE 0.079
- Purple Brown #673A3F ΔE 0.079
Use #51243A 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.