#A4378F
Closest named color: Warm Purple (#952E8F). oklch(52.4% 0.174 336.3), rgb(164, 55, 143).
Aa
White text reads best on this color (5.96:1).
About this color
#A4378F is a medium-dark, vivid pink. In OKLCH its lightness is 52%, its chroma 0.174 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Warm Purple (#952E8F), ΔE 0.037 away. White text reads best on it, at 5.96:1.
| Hue family | Pinks |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Warm Purple (#952E8F) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #A4378F |
| RGB | rgb(164, 55, 143) |
| HSL | hsl(312, 50%, 43%) |
| OKLCH | oklch(52.4% 0.174 336.3) |
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 #A4378F | 5.96:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #A4378F | 3.52:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #A4378F text on white | 5.96:1 | AA | Lc 78.9 | Fine for body text |
| #A4378F text on black | 3.52:1 | AA large text | Lc -22.9 | 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 600.
-
Step 50
50
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E4F0
oklch(93.5% 0.023 334.3)
-
Step 200
200
#EDCFE4
oklch(88.6% 0.043 336.8)
-
Step 300
300
#E2AED4
oklch(81% 0.078 336.2)
-
Step 400
400
#D181BE
oklch(70.7% 0.125 336.1)
-
Step 500
500
#C35EAD
oklch(63% 0.16 336.3)
-
Step 600
600 (this color)
#A4378F
oklch(52.4% 0.174 336.3)
-
Step 700
700
#963282
oklch(49.1% 0.162 336.6)
-
Step 800
800
#7A2B6A
oklch(42.8% 0.134 336.5)
-
Step 900
900
#622856
oklch(37.7% 0.104 336.1)
-
Step 950
950
#3A1832
oklch(27% 0.066 337)
#A4378F 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) | #395992 | 0.186 |
| Deuteranopia (no green cones) | #5C6A8C | 0.163 |
| Tritanopia (no blue cones) | #AC3D5E | 0.085 |
| Achromatopsia (no color) | #636363 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4378F
#A4378F
oklch(52.4% 0.174 336.3)
- #007F4A
#007F4A
oklch(52.4% 0.127 156.2)
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 #A4378F, closest first.
No curated palette has a color within ΔE 0.04 of #A4378F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Purple #952E8F ΔE 0.037
- Light Eggplant #894585 ΔE 0.058
- Purply #983FB2 ΔE 0.061
- Medium Violet Red #C71585 ΔE 0.072
- Light Plum #9D5783 ΔE 0.074
- Red Violet #9E0168 ΔE 0.078
- Dark Magenta #8B008B ΔE 0.087
- Deep Magenta #A0025C ΔE 0.089
Use #A4378F 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.