#B370E4
Closest named color: Light Urple (#B36FF6). oklch(66.4% 0.176 309), rgb(179, 112, 228).
Aa
Black text reads best on this color (6.35:1).
About this color
#B370E4 is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.176 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.027 away. Black text reads best on it, at 6.35:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.35:1 |
| White text | 3.30:1 |
Values
| HEX | #B370E4 |
| RGB | rgb(179, 112, 228) |
| HSL | hsl(275, 68%, 67%) |
| OKLCH | oklch(66.4% 0.176 309) |
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 #B370E4 | 3.30:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #B370E4 | 6.35:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #B370E4 text on white | 3.30:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #B370E4 text on black | 6.35:1 | AA | Lc -41.6 | 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 500.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E2D1F2
oklch(88.5% 0.048 308.5)
-
Step 300
300
#D1B2EB
oklch(80.9% 0.085 309.2)
-
Step 400
400
#BA87E1
oklch(70.7% 0.138 309.3)
-
Step 500
500 (this color)
#B370E4
oklch(66.4% 0.176 309)
-
Step 600
600
#9449C6
oklch(55.6% 0.192 309.1)
-
Step 700
700
#7E39AB
oklch(49% 0.178 309.1)
-
Step 800
800
#66308B
oklch(42.6% 0.149 308.7)
-
Step 900
900
#532C6F
oklch(37.6% 0.115 308.7)
-
Step 950
950
#311B41
oklch(27.1% 0.072 309.1)
#B370E4 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) | #508AE8 | 0.142 |
| Deuteranopia (no green cones) | #648EE1 | 0.128 |
| Tritanopia (no blue cones) | #AC84A0 | 0.125 |
| Achromatopsia (no color) | #8D8D8D | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B370E4
#B370E4
oklch(66.4% 0.176 309)
- #71A700
#71A700
oklch(66.5% 0.176 129)
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 #B370E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.027
- Light Purple #BF77F6 ΔE 0.036
- Easter Purple #C071FE ΔE 0.044
- Medium Purple #9370DB ΔE 0.055
- Medium Orchid #BA55D3 ΔE 0.057
- Bright Lavender #C760FF ΔE 0.061
- Bright Lilac #C95EFB ΔE 0.061
- Lighter Purple #A55AF4 ΔE 0.062
Use #B370E4 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.