#A30318
Closest named color: Carmine (#9D0216). oklch(45.2% 0.182 25.2), rgb(163, 3, 24).
Aa
White text reads best on this color (8.12:1).
About this color
#A30318 is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.182 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.013 away. White text reads best on it, at 8.12:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #A30318 |
| RGB | rgb(163, 3, 24) |
| HSL | hsl(352, 96%, 33%) |
| OKLCH | oklch(45.2% 0.182 25.2) |
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 #A30318 | 8.12:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #A30318 | 2.58:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #A30318 text on white | 8.12:1 | AAA | Lc 85.7 | Fine for body text |
| #A30318 text on black | 2.58:1 | Fails | Lc -16.4 | 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 800.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE3E0
oklch(93.7% 0.03 25.3)
-
Step 200
200
#FECBC6
oklch(88.5% 0.059 24.8)
-
Step 300
300
#FEA59E
oklch(80.8% 0.107 24.6)
-
Step 400
400
#F86F68
oklch(70.6% 0.17 25.3)
-
Step 500
500
#F13B3F
oklch(63.2% 0.218 25.1)
-
Step 600
600
#D80022
oklch(55.6% 0.225 25.2)
-
Step 700
700
#B7001B
oklch(49.1% 0.199 25.2)
-
Step 800
800 (this color)
#A30318
oklch(45.2% 0.182 25.2)
-
Step 900
900
#7C0F15
oklch(37.8% 0.142 25.4)
-
Step 950
950
#490D0E
oklch(27% 0.09 24.8)
#A30318 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) | #423B16 | 0.201 |
| Deuteranopia (no green cones) | #665B0E | 0.182 |
| Tritanopia (no blue cones) | #B40010 | 0.037 |
| Achromatopsia (no color) | #4F4F4F | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A30318
#A30318
oklch(45.2% 0.182 25.2)
- #00626A
#00626A
oklch(45.3% 0.077 204.6)
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 #A30318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.013
- Deep Red #9A0200 ΔE 0.025
- Auburn #9B2226 ΔE 0.025
- Blood Red #980002 ΔE 0.028
- Burnt Red #9F2305 ΔE 0.032
- Brown #A52A2A ΔE 0.036
- Rufous #AE2012 ΔE 0.038
- Rouge #AB1239 ΔE 0.040
Use #A30318 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.