#A42F4B
Closest named color: Rouge (#AB1239). oklch(49% 0.153 10.8), rgb(164, 47, 75).
Aa
White text reads best on this color (6.80:1).
About this color
#A42F4B is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.153 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.034 away. White text reads best on it, at 6.80:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #A42F4B |
| RGB | rgb(164, 47, 75) |
| HSL | hsl(346, 55%, 41%) |
| OKLCH | oklch(49% 0.153 10.8) |
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 #A42F4B | 6.80:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #A42F4B | 3.08:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #A42F4B text on white | 6.80:1 | AA | Lc 82.4 | Fine for body text |
| #A42F4B text on black | 3.08:1 | AA large text | Lc -19.5 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E6
oklch(93.5% 0.022 10.6)
-
Step 200
200
#F3CFD2
oklch(88.6% 0.041 12.3)
-
Step 300
300
#ECADB5
oklch(80.9% 0.075 10.4)
-
Step 400
400
#DF808F
oklch(70.7% 0.118 10.4)
-
Step 500
500
#D45C73
oklch(63.1% 0.152 10.7)
-
Step 600
600
#BF3E5B
oklch(55.6% 0.165 10.9)
-
Step 700
700 (this color)
#A42F4B
oklch(49% 0.153 10.8)
-
Step 800
800
#85293E
oklch(42.7% 0.126 10.6)
-
Step 900
900
#6C2735
oklch(37.8% 0.099 10.7)
-
Step 950
950
#3F181F
oklch(27% 0.061 10.9)
#A42F4B 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) | #4C4C4B | 0.170 |
| Deuteranopia (no green cones) | #6A6448 | 0.157 |
| Tritanopia (no blue cones) | #B3153A | 0.038 |
| Achromatopsia (no color) | #5B5B5B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42F4B
#A42F4B
oklch(49% 0.153 10.8)
- #006F6C
#006F6C
oklch(48.9% 0.084 191.5)
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 #A42F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.034
- Light Burgundy #A8415B ΔE 0.037
- Raspberry #B00149 ΔE 0.042
- Brown #A52A2A ΔE 0.042
- Light Maroon #A24857 ΔE 0.046
- Cranberry #9E003A ΔE 0.051
- Auburn #9B2226 ΔE 0.052
- Berry #990F4B ΔE 0.052
Use #A42F4B 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.