#A42C42
Closest named color: Rouge (#AB1239). oklch(48.5% 0.155 14.9), rgb(164, 44, 66).
Aa
White text reads best on this color (6.95:1).
About this color
#A42C42 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.155 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.027 away. White text reads best on it, at 6.95:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #A42C42 |
| RGB | rgb(164, 44, 66) |
| HSL | hsl(349, 58%, 41%) |
| OKLCH | oklch(48.5% 0.155 14.9) |
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 #A42C42 | 6.95:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #A42C42 | 3.01:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #A42C42 text on white | 6.95:1 | AA | Lc 82.9 | Fine for body text |
| #A42C42 text on black | 3.01:1 | AA large text | Lc -19.0 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E5
oklch(93.5% 0.022 14.1)
-
Step 200
200
#F4CFD0
oklch(88.6% 0.042 16.1)
-
Step 300
300
#EDADB1
oklch(80.8% 0.075 14.7)
-
Step 400
400
#E18088
oklch(70.7% 0.12 15.3)
-
Step 500
500
#D65C6B
oklch(63.2% 0.154 15.1)
-
Step 600
600
#C13D53
oklch(55.6% 0.168 14.9)
-
Step 700
700 (this color)
#A42C42
oklch(48.5% 0.155 14.9)
-
Step 800
800
#872838
oklch(42.7% 0.129 14.8)
-
Step 900
900
#6D2630
oklch(37.7% 0.101 14.9)
-
Step 950
950
#40171C
oklch(26.9% 0.064 15)
#A42C42 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) | #4C4A42 | 0.172 |
| Deuteranopia (no green cones) | #6B633F | 0.158 |
| Tritanopia (no blue cones) | #B40835 | 0.039 |
| Achromatopsia (no color) | #595959 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42C42
#A42C42
oklch(48.5% 0.155 14.9)
- #006D6D
#006D6D
oklch(48.4% 0.083 194.8)
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 #A42C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.027
- Brown #A52A2A ΔE 0.030
- Auburn #9B2226 ΔE 0.041
- Raspberry #B00149 ΔE 0.043
- Firebrick #B22222 ΔE 0.044
- Light Burgundy #A8415B ΔE 0.045
- Cranberry #9E003A ΔE 0.046
- Brick #A03623 ΔE 0.047
Use #A42C42 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.