#A4282B
Closest named color: Brown (#A52A2A). oklch(47.7% 0.16 24.6), rgb(164, 40, 43).
Aa
White text reads best on this color (7.19:1).
About this color
#A4282B is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.160 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.005 away. White text reads best on it, at 7.19:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #A4282B |
| RGB | rgb(164, 40, 43) |
| HSL | hsl(359, 61%, 40%) |
| OKLCH | oklch(47.7% 0.16 24.6) |
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 #A4282B | 7.19:1 | AAA | Lc -88.7 | Fine for body text |
| Black text on #A4282B | 2.91:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #A4282B text on white | 7.19:1 | AAA | Lc 83.7 | Fine for body text |
| #A4282B text on black | 2.91:1 | Fails | Lc -18.3 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#EFAEA8
oklch(81% 0.077 24.9)
-
Step 400
400
#E48079
oklch(70.8% 0.125 24.9)
-
Step 500
500
#D95B57
oklch(63.1% 0.16 24.6)
-
Step 600
600
#C43C3D
oklch(55.6% 0.173 24.4)
-
Step 700
700 (this color)
#A4282B
oklch(47.7% 0.16 24.6)
-
Step 800
800
#892728
oklch(42.7% 0.133 24.2)
-
Step 900
900
#6E2624
oklch(37.6% 0.103 24.9)
-
Step 950
950
#411716
oklch(27% 0.066 23.9)
#A4282B 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) | #4D462A | 0.173 |
| Deuteranopia (no green cones) | #6C6127 | 0.159 |
| Tritanopia (no blue cones) | #B5002B | 0.040 |
| Achromatopsia (no color) | #575757 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4282B
#A4282B
oklch(47.7% 0.16 24.6)
- #006A72
#006A72
oklch(47.8% 0.081 203.9)
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 #A4282B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.005
- Auburn #9B2226 ΔE 0.023
- Rufous #AE2012 ΔE 0.027
- Brick #A03623 ΔE 0.027
- Firebrick #B22222 ΔE 0.028
- Rust Red #AA2704 ΔE 0.030
- Burnt Red #9F2305 ΔE 0.031
- Rouge #AB1239 ΔE 0.034
Use #A4282B 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.