#51243D
Closest named color: Grape Purple (#5D1451). oklch(33.2% 0.075 347.5), rgb(81, 36, 61).
Aa
White text reads best on this color (12.57:1).
About this color
#51243D is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.075 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.056 away. White text reads best on it, at 12.57:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.66:1 |
| White text | 12.57:1 |
Values
| HEX | #51243D |
| RGB | rgb(81, 36, 61) |
| HSL | hsl(327, 38%, 23%) |
| OKLCH | oklch(33.2% 0.075 347.5) |
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 #51243D | 12.57:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #51243D | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #51243D text on white | 12.57:1 | AAA | Lc 98.2 | Preferred for body text |
| #51243D 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
#F3E6EC
oklch(93.7% 0.016 347.6)
-
Step 200
200
#EAD1DD
oklch(88.5% 0.032 347.1)
-
Step 300
300
#DDB2C7
oklch(80.8% 0.057 347.5)
-
Step 400
400
#CB89AB
oklch(70.6% 0.091 347.5)
-
Step 500
500
#BC6B96
oklch(63.1% 0.116 347.8)
-
Step 600
600
#A75181
oklch(55.6% 0.127 347.4)
-
Step 700
700
#8F426D
oklch(49.2% 0.116 347.6)
-
Step 800
800
#743759
oklch(42.8% 0.096 347.3)
-
Step 900
900 (this color)
#51243D
oklch(33.2% 0.075 347.5)
-
Step 950
950
#371C2B
oklch(26.9% 0.048 346.4)
#51243D 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) | #282F3E | 0.082 |
| Deuteranopia (no green cones) | #34363C | 0.074 |
| Tritanopia (no blue cones) | #56232D | 0.030 |
| Achromatopsia (no color) | #333333 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51243D
#51243D
oklch(33.2% 0.075 347.5)
- #00412F
#00412F
oklch(33.3% 0.068 167.5)
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 #51243D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.056
- Burgundy #610023 ΔE 0.065
- Deep Violet #490648 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.075
- Claret #680018 ΔE 0.078
- Eggplant Purple #430541 ΔE 0.078
- Merlot #730039 ΔE 0.079
Use #51243D 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.