#90306B
Closest named color: Red Violet (#9E0168). oklch(46.9% 0.145 346.3), rgb(144, 48, 107).
Aa
White text reads best on this color (7.44:1).
About this color
#90306B is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.145 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.049 away. White text reads best on it, at 7.44:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.82:1 |
| White text | 7.44:1 |
Values
| HEX | #90306B |
| RGB | rgb(144, 48, 107) |
| HSL | hsl(323, 50%, 38%) |
| OKLCH | oklch(46.9% 0.145 346.3) |
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 #90306B | 7.44:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #90306B | 2.82:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #90306B text on white | 7.44:1 | AAA | Lc 85.1 | Fine for body text |
| #90306B text on black | 2.82:1 | Fails | Lc -16.9 | 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
#F5E5ED
oklch(93.7% 0.02 345.7)
-
Step 200
200
#EDCFDE
oklch(88.4% 0.039 346.3)
-
Step 300
300
#E3AFCA
oklch(80.9% 0.07 346.2)
-
Step 400
400
#D383AF
oklch(70.7% 0.112 346.2)
-
Step 500
500
#C5629B
oklch(63.1% 0.142 346.3)
-
Step 600
600
#B04686
oklch(55.6% 0.155 346.1)
-
Step 700
700 (this color)
#90306B
oklch(46.9% 0.145 346.3)
-
Step 800
800
#7B2E5C
oklch(42.7% 0.12 346.5)
-
Step 900
900
#632A4C
oklch(37.6% 0.093 345.7)
-
Step 950
950
#3A192C
oklch(26.9% 0.059 346.2)
#90306B 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) | #3B4B6D | 0.158 |
| Deuteranopia (no green cones) | #575B69 | 0.140 |
| Tritanopia (no blue cones) | #9A2E49 | 0.059 |
| Achromatopsia (no color) | #555555 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90306B
#90306B
oklch(46.9% 0.145 346.3)
- #006B4E
#006B4E
oklch(46.8% 0.097 166.4)
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 #90306B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.049
- Dark Fuchsia #9D0759 ΔE 0.050
- Deep Magenta #A0025C ΔE 0.052
- Light Eggplant #894585 ΔE 0.053
- Mulberry #920A4E ΔE 0.057
- Berry #990F4B ΔE 0.058
- Warm Purple #952E8F ΔE 0.060
- Violet Red #A50055 ΔE 0.060
Use #90306B 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.