#A6002D
Closest named color: Rouge (#AB1239). oklch(45.9% 0.184 18.4), rgb(166, 0, 45).
Aa
White text reads best on this color (7.89:1).
About this color
#A6002D is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.184 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.020 away. White text reads best on it, at 7.89:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.65:1 |
| White text | 7.89:1 |
Values
| HEX | #A6002D |
| RGB | rgb(166, 0, 45) |
| HSL | hsl(344, 100%, 33%) |
| OKLCH | oklch(45.9% 0.184 18.4) |
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 #A6002D | 7.89:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #A6002D | 2.65:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #A6002D text on white | 7.89:1 | AAA | Lc 84.9 | Fine for body text |
| #A6002D text on black | 2.65:1 | Fails | Lc -17.1 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F5AAAB
oklch(81% 0.089 18.3)
-
Step 400
400
#EC787E
oklch(70.7% 0.143 18.2)
-
Step 500
500
#E24F5D
oklch(63.1% 0.182 18.6)
-
Step 600
600
#CD2944
oklch(55.6% 0.197 18.4)
-
Step 700
700 (this color)
#A6002D
oklch(45.9% 0.184 18.4)
-
Step 800
800
#90192D
oklch(42.8% 0.153 18.3)
-
Step 900
900
#741E28
oklch(37.8% 0.119 18.6)
-
Step 950
950
#441318
oklch(26.9% 0.075 17.8)
#A6002D 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) | #413D2D | 0.206 |
| Deuteranopia (no green cones) | #665C28 | 0.187 |
| Tritanopia (no blue cones) | #B70019 | 0.042 |
| Achromatopsia (no color) | #515151 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6002D
#A6002D
oklch(45.9% 0.184 18.4)
- #006568
#006568
oklch(46% 0.078 198.4)
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 #A6002D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.020
- Cranberry #9E003A ΔE 0.026
- Carmine #9D0216 ΔE 0.031
- Auburn #9B2226 ΔE 0.033
- Brown #A52A2A ΔE 0.039
- Raspberry #B00149 ΔE 0.043
- Deep Red #9A0200 ΔE 0.045
- Firebrick #B22222 ΔE 0.046
Use #A6002D 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.