#A1637D
Closest named color: Light Plum (#9D5783). oklch(57.6% 0.087 353.5), rgb(161, 99, 125).
Aa
Black text reads best on this color (4.59:1).
About this color
#A1637D is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.087 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.036 away. Black text reads best on it, at 4.59:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #A1637D |
| RGB | rgb(161, 99, 125) |
| HSL | hsl(335, 25%, 51%) |
| OKLCH | oklch(57.6% 0.087 353.5) |
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 #A1637D | 4.56:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #A1637D | 4.59:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #A1637D text on white | 4.56:1 | AA | Lc 71.6 | Content text, not long reading |
| #A1637D text on black | 4.59:1 | AA | Lc -30.1 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E6D4DA
oklch(88.6% 0.021 355.3)
-
Step 300
300
#D6B7C2
oklch(80.9% 0.038 354.6)
-
Step 400
400
#C091A4
oklch(70.7% 0.062 352.7)
-
Step 500
500
#B0758D
oklch(63.1% 0.08 353.6)
-
Step 600
600 (this color)
#A1637D
oklch(57.6% 0.087 353.5)
-
Step 700
700
#844D64
oklch(49.1% 0.08 353.9)
-
Step 800
800
#6B3F52
oklch(42.6% 0.067 352.9)
-
Step 900
900
#573644
oklch(37.7% 0.051 352.8)
-
Step 950
950
#332028
oklch(27.1% 0.032 352.5)
#A1637D 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) | #6A6F7E | 0.093 |
| Deuteranopia (no green cones) | #797A7C | 0.087 |
| Tritanopia (no blue cones) | #AA616C | 0.029 |
| Achromatopsia (no color) | #767676 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1637D
#A1637D
oklch(57.6% 0.087 353.5)
- #378A75
#378A75
oklch(57.6% 0.087 173.7)
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 #A1637D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.036
- Mauve #AE7181 ΔE 0.044
- Faded Purple #916E99 ΔE 0.050
- Dusky Purple #895B7B ΔE 0.050
- Purple Grey #866F85 ΔE 0.052
- Dusky Rose #BA6873 ΔE 0.052
- Grey Purple #826D8C ΔE 0.057
- Reddish Grey #997570 ΔE 0.059
Use #A1637D 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.