#6151BD
Closest named color: Iris (#6258C4). oklch(50.9% 0.163 285.8), rgb(97, 81, 189).
Aa
White text reads best on this color (6.14:1).
About this color
#6151BD is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.163 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.019 away. White text reads best on it, at 6.14:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.42:1 |
| White text | 6.14:1 |
Values
| HEX | #6151BD |
| RGB | rgb(97, 81, 189) |
| HSL | hsl(249, 45%, 53%) |
| OKLCH | oklch(50.9% 0.163 285.8) |
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 #6151BD | 6.14:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #6151BD | 3.42:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #6151BD text on white | 6.14:1 | AA | Lc 80.3 | Fine for body text |
| #6151BD text on black | 3.42:1 | AA large text | Lc -21.5 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F6
oklch(88.6% 0.044 285.5)
-
Step 300
300
#BBBAF2
oklch(80.9% 0.079 285.3)
-
Step 400
400
#9A94EC
oklch(70.7% 0.127 285.8)
-
Step 500
500
#8377E5
oklch(63.1% 0.161 285.8)
-
Step 600
600
#6E5DD3
oklch(55.6% 0.175 285.8)
-
Step 700
700 (this color)
#6151BD
oklch(50.9% 0.163 285.8)
-
Step 800
800
#4B3F94
oklch(42.7% 0.134 285.7)
-
Step 900
900
#3E3676
oklch(37.6% 0.106 285.8)
-
Step 950
950
#242045
oklch(26.9% 0.067 285.9)
#6151BD 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) | #0265C1 | 0.089 |
| Deuteranopia (no green cones) | #005EBB | 0.088 |
| Tritanopia (no blue cones) | #41697F | 0.136 |
| Achromatopsia (no color) | #626262 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6151BD
#6151BD
oklch(50.9% 0.163 285.8)
- #6F6900
#6F6900
oklch(51% 0.109 105.7)
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 #6151BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.019
- Slate Blue #6A5ACD ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.040
- Dark Periwinkle #665FD1 ΔE 0.045
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Warm Blue #4B57DB ΔE 0.056
- Blurple #5539CC ΔE 0.061
Use #6151BD 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.