#6151A0
Closest named color: Twilight (#4E518B). oklch(48.9% 0.123 290.4), rgb(97, 81, 160).
Aa
White text reads best on this color (6.57:1).
About this color
#6151A0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.123 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.046 away. White text reads best on it, at 6.57:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #6151A0 |
| RGB | rgb(97, 81, 160) |
| HSL | hsl(252, 33%, 47%) |
| OKLCH | oklch(48.9% 0.123 290.4) |
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 #6151A0 | 6.57:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #6151A0 | 3.19:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #6151A0 text on white | 6.57:1 | AA | Lc 82.4 | Fine for body text |
| #6151A0 text on black | 3.19:1 | AA large text | Lc -19.5 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#C0BBE5
oklch(81% 0.059 290.5)
-
Step 400
400
#A096D8
oklch(70.6% 0.096 290.7)
-
Step 500
500
#897BCD
oklch(63% 0.121 290.3)
-
Step 600
600
#7463BA
oklch(55.6% 0.132 290.4)
-
Step 700
700 (this color)
#6151A0
oklch(48.9% 0.123 290.4)
-
Step 800
800
#4F4382
oklch(42.6% 0.102 290.1)
-
Step 900
900
#423968
oklch(37.7% 0.079 290.9)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#6151A0 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) | #335FA3 | 0.066 |
| Deuteranopia (no green cones) | #345B9E | 0.063 |
| Tritanopia (no blue cones) | #506171 | 0.102 |
| Achromatopsia (no color) | #5D5D5D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6151A0
#6151A0
oklch(48.9% 0.123 290.4)
- #646500
#646500
oklch(49% 0.107 110.5)
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 #6151A0, closest first.
No curated palette has a color within ΔE 0.04 of #6151A0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.046
- Dusky Blue #475F94 ΔE 0.057
- Iris #6258C4 ΔE 0.058
- Dusk #4E5481 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.064
- Blueberry #464196 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.069
- Slate Blue #6A5ACD ΔE 0.074
Use #6151A0 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.