#A1237B
Closest named color: Red Violet (#9E0168). oklch(49.2% 0.183 343.3), rgb(161, 35, 123).
Aa
White text reads best on this color (6.90:1).
About this color
#A1237B is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.038 away. White text reads best on it, at 6.90:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #A1237B |
| RGB | rgb(161, 35, 123) |
| HSL | hsl(318, 64%, 38%) |
| OKLCH | oklch(49.2% 0.183 343.3) |
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 #A1237B | 6.90:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #A1237B | 3.04:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #A1237B text on white | 6.90:1 | AA | Lc 82.6 | Fine for body text |
| #A1237B text on black | 3.04:1 | AA large text | Lc -19.4 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F7E3EE
oklch(93.5% 0.026 343.3)
-
Step 200
200
#F2CDE2
oklch(88.6% 0.05 343.1)
-
Step 300
300
#EAAACF
oklch(80.9% 0.089 343.7)
-
Step 400
400
#DC7AB7
oklch(70.6% 0.141 343.3)
-
Step 500
500
#D054A5
oklch(63.2% 0.18 343.4)
-
Step 600
600
#BB3290
oklch(55.6% 0.197 343.4)
-
Step 700
700 (this color)
#A1237B
oklch(49.2% 0.183 343.3)
-
Step 800
800
#832064
oklch(42.8% 0.152 343.4)
-
Step 900
900
#692151
oklch(37.6% 0.118 343.4)
-
Step 950
950
#3E1530
oklch(27.1% 0.074 342.9)
#A1237B 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) | #324D7D | 0.203 |
| Deuteranopia (no green cones) | #596178 | 0.176 |
| Tritanopia (no blue cones) | #AC234D | 0.079 |
| Achromatopsia (no color) | #5A5A5A | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1237B
#A1237B
oklch(49.2% 0.183 343.3)
- #00734F
#00734F
oklch(49.1% 0.106 163)
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 #A1237B, closest first.
No curated palette has a color within ΔE 0.04 of #A1237B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.038
- Warm Purple #952E8F ΔE 0.041
- Deep Magenta #A0025C ΔE 0.051
- Dark Fuchsia #9D0759 ΔE 0.056
- Violet Red #A50055 ΔE 0.061
- Light Eggplant #894585 ΔE 0.068
- Dark Magenta #8B008B ΔE 0.071
- Medium Violet Red #C71585 ΔE 0.076
Use #A1237B 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.