#A03128
Closest named color: Brick (#A03623). oklch(47.9% 0.148 28.5), rgb(160, 49, 40).
Aa
White text reads best on this color (7.08:1).
About this color
#A03128 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.148 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.012 away. White text reads best on it, at 7.08:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #A03128 |
| RGB | rgb(160, 49, 40) |
| HSL | hsl(5, 60%, 39%) |
| OKLCH | oklch(47.9% 0.148 28.5) |
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 #A03128 | 7.08:1 | AAA | Lc -88.5 | Fine for body text |
| Black text on #A03128 | 2.96:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #A03128 text on white | 7.08:1 | AAA | Lc 83.5 | Fine for body text |
| #A03128 text on black | 2.96:1 | Fails | Lc -18.4 | 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 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
#F3D0CA
oklch(88.6% 0.04 29.4)
-
Step 300
300
#EBB0A7
oklch(80.9% 0.071 28.6)
-
Step 400
400
#DF8477
oklch(70.7% 0.115 28.9)
-
Step 500
500
#D36154
oklch(63% 0.147 28.5)
-
Step 600
600
#BF4439
oklch(55.6% 0.16 28.4)
-
Step 700
700 (this color)
#A03128
oklch(47.9% 0.148 28.5)
-
Step 800
800
#852D25
oklch(42.6% 0.122 28.5)
-
Step 900
900
#6B2A23
oklch(37.7% 0.095 28.5)
-
Step 950
950
#3F1915
oklch(26.9% 0.06 27.9)
#A03128 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) | #514926 | 0.156 |
| Deuteranopia (no green cones) | #6C6124 | 0.144 |
| Tritanopia (no blue cones) | #B00D30 | 0.048 |
| Achromatopsia (no color) | #585858 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A03128
#A03128
oklch(47.9% 0.148 28.5)
- #006A76
#006A76
oklch(48% 0.083 208.4)
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 #A03128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.012
- Brown #A52A2A ΔE 0.014
- Auburn #9B2226 ΔE 0.028
- Burnt Red #9F2305 ΔE 0.028
- Rust Red #AA2704 ΔE 0.028
- Rufous #AE2012 ΔE 0.032
- Russet #A13905 ΔE 0.033
- Rusty Red #AF2F0D ΔE 0.035
Use #A03128 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.