#AF1503
Closest named color: Rufous (#AE2012). oklch(48.1% 0.187 30.6), rgb(175, 21, 3).
Aa
White text reads best on this color (7.16:1).
About this color
#AF1503 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.187 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.010 away. White text reads best on it, at 7.16:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #AF1503 |
| RGB | rgb(175, 21, 3) |
| HSL | hsl(6, 97%, 35%) |
| OKLCH | oklch(48.1% 0.187 30.6) |
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 #AF1503 | 7.16:1 | AAA | Lc -87.8 | Fine for body text |
| Black text on #AF1503 | 2.93:1 | Fails | Lc 21.3 | Dividers and decoration only |
| #AF1503 text on white | 7.16:1 | AAA | Lc 82.8 | Fine for body text |
| #AF1503 text on black | 2.93:1 | Fails | Lc -19.1 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F5AB9D
oklch(80.8% 0.09 31)
-
Step 400
400
#ED7A68
oklch(70.7% 0.145 30.3)
-
Step 500
500
#E3513D
oklch(63% 0.185 30.7)
-
Step 600
600
#CF2C19
oklch(55.7% 0.201 30.6)
-
Step 700
700 (this color)
#AF1503
oklch(48.1% 0.187 30.6)
-
Step 800
800
#911B0D
oklch(42.7% 0.155 30.7)
-
Step 900
900
#741F14
oklch(37.6% 0.121 30.7)
-
Step 950
950
#45140D
oklch(27.1% 0.077 30.8)
#AF1503 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) | #4C4200 | 0.203 |
| Deuteranopia (no green cones) | #716300 | 0.179 |
| Tritanopia (no blue cones) | #C20015 | 0.040 |
| Achromatopsia (no color) | #585858 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF1503
#AF1503
oklch(48.1% 0.187 30.6)
- #006A78
#006A78
oklch(48.1% 0.083 210.5)
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 #AF1503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.010
- Rust Red #AA2704 ΔE 0.019
- Firebrick #B22222 ΔE 0.021
- Rusty Red #AF2F0D ΔE 0.029
- Brown #A52A2A ΔE 0.031
- Burnt Red #9F2305 ΔE 0.033
- Scarlet #BE0119 ΔE 0.034
- Brick #A03623 ΔE 0.043
Use #AF1503 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.