#A4637F
Closest named color: Light Plum (#9D5783). oklch(58% 0.091 353), rgb(164, 99, 127).
Aa
Black text reads best on this color (4.66:1).
About this color
#A4637F is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.091 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.037 away. Black text reads best on it, at 4.66:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #A4637F |
| RGB | rgb(164, 99, 127) |
| HSL | hsl(334, 26%, 52%) |
| OKLCH | oklch(58% 0.091 353) |
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 #A4637F | 4.49:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #A4637F | 4.66:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #A4637F text on white | 4.49:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #A4637F text on black | 4.66:1 | AA | Lc -30.6 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D3DA
oklch(88.4% 0.023 353.2)
-
Step 300
300
#D7B6C3
oklch(80.9% 0.042 352.4)
-
Step 400
400
#C290A4
oklch(70.7% 0.066 353.1)
-
Step 500
500
#B1748E
oklch(63% 0.084 352.6)
-
Step 600
600 (this color)
#A4637F
oklch(58% 0.091 353)
-
Step 700
700
#854C65
oklch(49.1% 0.083 352.8)
-
Step 800
800
#6D3E52
oklch(42.7% 0.071 353.5)
-
Step 900
900
#583544
oklch(37.6% 0.055 352.8)
-
Step 950
950
#341F28
oklch(27% 0.036 352.4)
#A4637F 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) | #6A7080 | 0.098 |
| Deuteranopia (no green cones) | #7A7B7D | 0.091 |
| Tritanopia (no blue cones) | #AD616D | 0.030 |
| Achromatopsia (no color) | #777777 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4637F
#A4637F
oklch(58% 0.091 353)
- #348C75
#348C75
oklch(58.1% 0.091 172.7)
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 #A4637F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.037
- Mauve #AE7181 ΔE 0.042
- Dusky Rose #BA6873 ΔE 0.048
- Faded Purple #916E99 ΔE 0.050
- Dusky Purple #895B7B ΔE 0.055
- Purple Grey #866F85 ΔE 0.056
- Dark Lilac #9C6DA5 ΔE 0.058
- Grey Purple #826D8C ΔE 0.061
Use #A4637F 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.