#A3302A
Closest named color: Brown (#A52A2A). oklch(48.3% 0.152 27.4), rgb(163, 48, 42).
Aa
White text reads best on this color (6.96:1).
About this color
#A3302A is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.152 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.009 away. White text reads best on it, at 6.96:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #A3302A |
| RGB | rgb(163, 48, 42) |
| HSL | hsl(3, 59%, 40%) |
| OKLCH | oklch(48.3% 0.152 27.4) |
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 #A3302A | 6.96:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #A3302A | 3.01:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #A3302A text on white | 6.96:1 | AA | Lc 83.0 | Fine for body text |
| #A3302A text on black | 3.01:1 | AA large text | Lc -18.9 | 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
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CB
oklch(88.6% 0.04 27.5)
-
Step 300
300
#EDAFA7
oklch(81% 0.074 27.1)
-
Step 400
400
#E08378
oklch(70.7% 0.117 27.5)
-
Step 500
500
#D56055
oklch(63.1% 0.15 27.5)
-
Step 600
600
#C0423A
oklch(55.5% 0.163 27.3)
-
Step 700
700 (this color)
#A3302A
oklch(48.3% 0.152 27.4)
-
Step 800
800
#872B26
oklch(42.7% 0.127 27)
-
Step 900
900
#6C2923
oklch(37.7% 0.097 27.7)
-
Step 950
950
#401915
oklch(27.1% 0.062 27.8)
#A3302A 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) | #514928 | 0.162 |
| Deuteranopia (no green cones) | #6E6326 | 0.149 |
| Tritanopia (no blue cones) | #B30730 | 0.047 |
| Achromatopsia (no color) | #595959 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3302A
#A3302A
oklch(48.3% 0.152 27.4)
- #006B76
#006B76
oklch(48.2% 0.083 207.2)
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 #A3302A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.009
- Brick #A03623 ΔE 0.015
- Rust Red #AA2704 ΔE 0.027
- Rufous #AE2012 ΔE 0.028
- Auburn #9B2226 ΔE 0.030
- Firebrick #B22222 ΔE 0.031
- Burnt Red #9F2305 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.032
Use #A3302A 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.