#A63012
Closest named color: Rust Red (#AA2704). oklch(48.6% 0.159 34.6), rgb(166, 48, 18).
Aa
White text reads best on this color (6.87:1).
About this color
#A63012 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.159 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Red (#AA2704), ΔE 0.013 away. White text reads best on it, at 6.87:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Rust Red (#AA2704) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #A63012 |
| RGB | rgb(166, 48, 18) |
| HSL | hsl(12, 80%, 36%) |
| OKLCH | oklch(48.6% 0.159 34.6) |
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 #A63012 | 6.87:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #A63012 | 3.05:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #A63012 text on white | 6.87:1 | AA | Lc 82.6 | Fine for body text |
| #A63012 text on black | 3.05:1 | AA large text | Lc -19.3 | 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
#F4D0C7
oklch(88.6% 0.043 34.3)
-
Step 300
300
#EEAFA0
oklch(80.9% 0.077 33.8)
-
Step 400
400
#E2836B
oklch(70.7% 0.123 35.1)
-
Step 500
500
#D75F43
oklch(63% 0.158 34.5)
-
Step 600
600
#C34122
oklch(55.6% 0.172 34.5)
-
Step 700
700 (this color)
#A63012
oklch(48.6% 0.159 34.6)
-
Step 800
800
#882B14
oklch(42.7% 0.131 34.8)
-
Step 900
900
#6E2818
oklch(37.7% 0.103 34.3)
-
Step 950
950
#41190F
oklch(27.2% 0.065 35.2)
#A63012 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) | #54490B | 0.165 |
| Deuteranopia (no green cones) | #716409 | 0.150 |
| Tritanopia (no blue cones) | #B7002B | 0.058 |
| Achromatopsia (no color) | #5A5A5A | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A63012
#A63012
oklch(48.6% 0.159 34.6)
- #006B7D
#006B7D
oklch(48.6% 0.086 214.6)
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 #A63012, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Red #AA2704 ΔE 0.013
- Brick #A03623 ΔE 0.016
- Rusty Red #AF2F0D ΔE 0.018
- Russet #A13905 ΔE 0.020
- Rufous #AE2012 ΔE 0.024
- Brown #A52A2A ΔE 0.026
- Burnt Red #9F2305 ΔE 0.027
- Firebrick #B22222 ΔE 0.033
Use #A63012 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.