#A93818
Closest named color: Rusty Red (#AF2F0D). oklch(50.1% 0.154 35.8), rgb(169, 56, 24).
Aa
White text reads best on this color (6.43:1).
About this color
#A93818 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.154 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.016 away. White text reads best on it, at 6.43:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #A93818 |
| RGB | rgb(169, 56, 24) |
| HSL | hsl(13, 75%, 38%) |
| OKLCH | oklch(50.1% 0.154 35.8) |
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 #A93818 | 6.43:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #A93818 | 3.26:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #A93818 text on white | 6.43:1 | AA | Lc 80.9 | Fine for body text |
| #A93818 text on black | 3.26:1 | AA large text | Lc -20.9 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C7
oklch(88.5% 0.041 34.8)
-
Step 300
300
#ECB0A0
oklch(80.9% 0.074 35.5)
-
Step 400
400
#E0846C
oklch(70.6% 0.119 35.5)
-
Step 500
500
#D56243
oklch(63.2% 0.152 36.1)
-
Step 600
600
#C04422
oklch(55.5% 0.166 35.8)
-
Step 700
700 (this color)
#A93818
oklch(50.1% 0.154 35.8)
-
Step 800
800
#862D14
oklch(42.6% 0.127 36)
-
Step 900
900
#6C2A18
oklch(37.7% 0.099 36.1)
-
Step 950
950
#40190F
oklch(27% 0.064 35.5)
#A93818 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) | #594F12 | 0.158 |
| Deuteranopia (no green cones) | #756812 | 0.143 |
| Tritanopia (no blue cones) | #BA1432 | 0.061 |
| Achromatopsia (no color) | #5F5F5F | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A93818
#A93818
oklch(50.1% 0.154 35.8)
- #007084
#007084
oklch(50.2% 0.089 215.8)
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 #A93818, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.016
- Russet #A13905 ΔE 0.020
- Brick #A03623 ΔE 0.022
- Rust Red #AA2704 ΔE 0.025
- Burnt Umber #A0450E ΔE 0.031
- Rufous #AE2012 ΔE 0.033
- Brown #A52A2A ΔE 0.035
- Firebrick #B22222 ΔE 0.037
Use #A93818 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.