#A6403E
Closest named color: Light Maroon (#A24857). oklch(51.1% 0.136 24.2), rgb(166, 64, 62).
Aa
White text reads best on this color (6.13:1).
About this color
#A6403E is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.136 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Light Maroon (#A24857), ΔE 0.033 away. White text reads best on it, at 6.13:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Light Maroon (#A24857) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #A6403E |
| RGB | rgb(166, 64, 62) |
| HSL | hsl(1, 46%, 45%) |
| OKLCH | oklch(51.1% 0.136 24.2) |
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 #A6403E | 6.13:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #A6403E | 3.42:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #A6403E text on white | 6.13:1 | AA | Lc 79.9 | Fine for body text |
| #A6403E text on black | 3.42:1 | AA large text | Lc -21.9 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F1D0CD
oklch(88.5% 0.037 24)
-
Step 300
300
#E8B1AC
oklch(80.9% 0.065 24.5)
-
Step 400
400
#DA8680
oklch(70.7% 0.104 24.4)
-
Step 500
500
#CE6560
oklch(63.1% 0.134 24.4)
-
Step 600
600
#B94947
oklch(55.5% 0.146 24.1)
-
Step 700
700 (this color)
#A6403E
oklch(51.1% 0.136 24.2)
-
Step 800
800
#81312F
oklch(42.7% 0.111 24.4)
-
Step 900
900
#682C2A
oklch(37.6% 0.087 24)
-
Step 950
950
#3D1A19
oklch(26.9% 0.055 23.1)
#A6403E 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) | #5A543D | 0.144 |
| Deuteranopia (no green cones) | #746A3B | 0.133 |
| Tritanopia (no blue cones) | #B62C40 | 0.042 |
| Achromatopsia (no color) | #626262 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6403E
#A6403E
oklch(51.1% 0.136 24.2)
- #00747D
#00747D
oklch(51% 0.087 204.3)
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 #A6403E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Maroon #A24857 ΔE 0.033
- Brick #A03623 ΔE 0.035
- Brown #A52A2A ΔE 0.039
- Light Burgundy #A8415B ΔE 0.041
- Dull Red #BB3F3F ΔE 0.041
- Rusty Red #AF2F0D ΔE 0.045
- Dusty Red #B9484E ΔE 0.046
- Firebrick #B22222 ΔE 0.047
Use #A6403E 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.