#A3307A
Closest named color: Warm Purple (#952E8F). oklch(50.6% 0.169 345.3), rgb(163, 48, 122).
Aa
White text reads best on this color (6.43:1).
About this color
#A3307A is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.169 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Warm Purple (#952E8F), ΔE 0.048 away. White text reads best on it, at 6.43:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Warm Purple (#952E8F) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #A3307A |
| RGB | rgb(163, 48, 122) |
| HSL | hsl(321, 55%, 41%) |
| OKLCH | oklch(50.6% 0.169 345.3) |
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 #A3307A | 6.43:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #A3307A | 3.26:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #A3307A text on white | 6.43:1 | AA | Lc 81.0 | Fine for body text |
| #A3307A text on black | 3.26:1 | AA large text | Lc -20.9 | 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 700.
-
Step 50
50
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4ED
oklch(93.6% 0.023 345.8)
-
Step 200
200
#F0CEE0
oklch(88.5% 0.045 344.9)
-
Step 300
300
#E8ACCC
oklch(80.9% 0.081 345.8)
-
Step 400
400
#DA7DB3
oklch(70.7% 0.132 345.2)
-
Step 500
500
#CD59A0
oklch(63.2% 0.167 345.2)
-
Step 600
600
#B83A8B
oklch(55.6% 0.182 345.1)
-
Step 700
700 (this color)
#A3307A
oklch(50.6% 0.169 345.3)
-
Step 800
800
#802660
oklch(42.7% 0.139 345)
-
Step 900
900
#68254E
oklch(37.8% 0.108 345.8)
-
Step 950
950
#3D162E
oklch(26.9% 0.07 344.9)
#A3307A 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) | #3D527C | 0.186 |
| Deuteranopia (no green cones) | #5F6677 | 0.165 |
| Tritanopia (no blue cones) | #AE2E51 | 0.069 |
| Achromatopsia (no color) | #5E5E5E | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3307A
#A3307A
oklch(50.6% 0.169 345.3)
- #007756
#007756
oklch(50.5% 0.105 165.6)
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 #A3307A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Purple #952E8F ΔE 0.048
- Red Violet #9E0168 ΔE 0.052
- Deep Magenta #A0025C ΔE 0.059
- Light Eggplant #894585 ΔE 0.059
- Dark Fuchsia #9D0759 ΔE 0.062
- Violet Red #A50055 ΔE 0.064
- Light Burgundy #A8415B ΔE 0.069
- Medium Violet Red #C71585 ΔE 0.073
Use #A3307A 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.