#A7123F
Closest named color: Rouge (#AB1239). oklch(47.1% 0.179 12.3), rgb(167, 18, 63).
Aa
White text reads best on this color (7.49:1).
About this color
#A7123F is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.179 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.013 away. White text reads best on it, at 7.49:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #A7123F |
| RGB | rgb(167, 18, 63) |
| HSL | hsl(342, 81%, 36%) |
| OKLCH | oklch(47.1% 0.179 12.3) |
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 #A7123F | 7.49:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #A7123F | 2.80:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #A7123F text on white | 7.49:1 | AAA | Lc 84.1 | Fine for body text |
| #A7123F text on black | 2.80:1 | Fails | Lc -17.8 | 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
#F7CDD0
oklch(88.5% 0.048 13.2)
-
Step 300
300
#F3AAB1
oklch(80.9% 0.086 12.8)
-
Step 400
400
#E97989
oklch(70.7% 0.139 12.3)
-
Step 500
500
#DE516C
oklch(63% 0.176 12.2)
-
Step 600
600
#CA2D54
oklch(55.7% 0.192 12.4)
-
Step 700
700 (this color)
#A7123F
oklch(47.1% 0.179 12.3)
-
Step 800
800
#8D1C38
oklch(42.7% 0.148 12.5)
-
Step 900
900
#721F31
oklch(37.8% 0.116 12)
-
Step 950
950
#43141D
oklch(27% 0.073 11.8)
#A7123F 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) | #424240 | 0.202 |
| Deuteranopia (no green cones) | #675F3B | 0.182 |
| Tritanopia (no blue cones) | #B70028 | 0.042 |
| Achromatopsia (no color) | #555555 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7123F
#A7123F
oklch(47.1% 0.179 12.3)
- #006967
#006967
oklch(47.1% 0.081 192.5)
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 #A7123F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.013
- Raspberry #B00149 ΔE 0.024
- Cranberry #9E003A ΔE 0.025
- Berry #990F4B ΔE 0.038
- Violet Red #A50055 ΔE 0.040
- Purple Red #990147 ΔE 0.040
- Brown #A52A2A ΔE 0.044
- Auburn #9B2226 ΔE 0.045
Use #A7123F 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.