#B370E7
Closest named color: Light Urple (#B36FF6). oklch(66.6% 0.18 308.3), rgb(179, 112, 231).
Aa
Black text reads best on this color (6.38:1).
About this color
#B370E7 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.180 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.023 away. Black text reads best on it, at 6.38:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #B370E7 |
| RGB | rgb(179, 112, 231) |
| HSL | hsl(274, 71%, 67%) |
| OKLCH | oklch(66.6% 0.18 308.3) |
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 #B370E7 | 3.28:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #B370E7 | 6.38:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #B370E7 text on white | 3.28:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #B370E7 text on black | 6.38:1 | AA | Lc -41.8 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E2D1F3
oklch(88.5% 0.049 307.8)
-
Step 300
300
#D1B2ED
oklch(81% 0.088 308.4)
-
Step 400
400
#B987E3
oklch(70.7% 0.14 308.2)
-
Step 500
500 (this color)
#B370E7
oklch(66.6% 0.18 308.3)
-
Step 600
600
#9348C9
oklch(55.5% 0.196 308)
-
Step 700
700
#7E38AD
oklch(49.1% 0.182 308.6)
-
Step 800
800
#66308C
oklch(42.7% 0.15 308.3)
-
Step 900
900
#532C70
oklch(37.7% 0.117 308.3)
-
Step 950
950
#311A42
oklch(27% 0.076 308.7)
#B370E7 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) | #4E8BEB | 0.144 |
| Deuteranopia (no green cones) | #628FE4 | 0.131 |
| Tritanopia (no blue cones) | #AC85A1 | 0.129 |
| Achromatopsia (no color) | #8E8E8E | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B370E7
#B370E7
oklch(66.6% 0.18 308.3)
- #74A700
#74A700
oklch(66.7% 0.175 128.2)
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 #B370E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.023
- Light Purple #BF77F6 ΔE 0.033
- Easter Purple #C071FE ΔE 0.040
- Medium Purple #9370DB ΔE 0.056
- Bright Lavender #C760FF ΔE 0.058
- Bright Lilac #C95EFB ΔE 0.059
- Medium Orchid #BA55D3 ΔE 0.059
- Lighter Purple #A55AF4 ΔE 0.060
Use #B370E7 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.