#A42557
Closest named color: Violet Red (#A50055). oklch(48.4% 0.166 2.3), rgb(164, 37, 87).
Aa
White text reads best on this color (7.04:1).
About this color
#A42557 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.166 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.029 away. White text reads best on it, at 7.04:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #A42557 |
| RGB | rgb(164, 37, 87) |
| HSL | hsl(336, 63%, 39%) |
| OKLCH | oklch(48.4% 0.166 2.3) |
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 #A42557 | 7.04:1 | AAA | Lc -88.1 | Fine for body text |
| Black text on #A42557 | 2.98:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #A42557 text on white | 7.04:1 | AAA | Lc 83.1 | Fine for body text |
| #A42557 text on black | 2.98:1 | Fails | Lc -18.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F4CDD6
oklch(88.4% 0.045 2.5)
-
Step 300
300
#EEABBC
oklch(80.9% 0.081 2.4)
-
Step 400
400
#E27C9A
oklch(70.7% 0.13 2.1)
-
Step 500
500
#D65781
oklch(63.1% 0.164 2.4)
-
Step 600
600
#C1376B
oklch(55.6% 0.178 2.1)
-
Step 700
700 (this color)
#A42557
oklch(48.4% 0.166 2.3)
-
Step 800
800
#872349
oklch(42.7% 0.138 2)
-
Step 900
900
#6D233D
oklch(37.7% 0.108 2.1)
-
Step 950
950
#401624
oklch(27% 0.067 1.8)
#A42557 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) | #434958 | 0.187 |
| Deuteranopia (no green cones) | #656254 | 0.170 |
| Tritanopia (no blue cones) | #B2073B | 0.047 |
| Achromatopsia (no color) | #595959 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42557
#A42557
oklch(48.4% 0.166 2.3)
- #006E63
#006E63
oklch(48.3% 0.086 183)
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 #A42557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.029
- Raspberry #B00149 ΔE 0.034
- Dark Fuchsia #9D0759 ΔE 0.037
- Deep Magenta #A0025C ΔE 0.038
- Berry #990F4B ΔE 0.038
- Rouge #AB1239 ΔE 0.044
- Purple Red #990147 ΔE 0.046
- Cranberry #9E003A ΔE 0.049
Use #A42557 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.