#AA123D
Closest named color: Rouge (#AB1239). oklch(47.6% 0.181 13.7), rgb(170, 18, 61).
Aa
White text reads best on this color (7.33:1).
About this color
#AA123D is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.181 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.006 away. White text reads best on it, at 7.33:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #AA123D |
| RGB | rgb(170, 18, 61) |
| HSL | hsl(343, 81%, 37%) |
| OKLCH | oklch(47.6% 0.181 13.7) |
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 #AA123D | 7.33:1 | AAA | Lc -88.5 | Fine for body text |
| Black text on #AA123D | 2.86:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #AA123D text on white | 7.33:1 | AAA | Lc 83.5 | Fine for body text |
| #AA123D text on black | 2.86:1 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE3E5
oklch(93.5% 0.025 11.6)
-
Step 200
200
#F8CDCF
oklch(88.6% 0.049 15)
-
Step 300
300
#F4AAB0
oklch(81% 0.088 13.8)
-
Step 400
400
#EA7986
oklch(70.8% 0.14 14.1)
-
Step 500
500
#E05068
oklch(63.1% 0.179 14)
-
Step 600
600
#CB2B50
oklch(55.6% 0.194 13.8)
-
Step 700
700 (this color)
#AA123D
oklch(47.6% 0.181 13.7)
-
Step 800
800
#8E1A36
oklch(42.6% 0.15 13.4)
-
Step 900
900
#721E2F
oklch(37.6% 0.117 13.1)
-
Step 950
950
#43141B
oklch(27% 0.073 14.5)
#AA123D 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) | #44433D | 0.204 |
| Deuteranopia (no green cones) | #696139 | 0.185 |
| Tritanopia (no blue cones) | #BB0027 | 0.043 |
| Achromatopsia (no color) | #565656 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA123D
#AA123D
oklch(47.6% 0.181 13.7)
- #006B6A
#006B6A
oklch(47.7% 0.082 193.6)
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 #AA123D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.006
- Raspberry #B00149 ΔE 0.023
- Cranberry #9E003A ΔE 0.031
- Rose Red #BE013C ΔE 0.040
- Brown #A52A2A ΔE 0.041
- Violet Red #A50055 ΔE 0.045
- Berry #990F4B ΔE 0.046
- Auburn #9B2226 ΔE 0.046
Use #AA123D 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.