#6155A4
Closest named color: Iris (#6258C4). oklch(49.9% 0.123 288.1), rgb(97, 85, 164).
Aa
White text reads best on this color (6.28:1).
About this color
#6155A4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.123 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.050 away. White text reads best on it, at 6.28:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #6155A4 |
| RGB | rgb(97, 85, 164) |
| HSL | hsl(249, 32%, 49%) |
| OKLCH | oklch(49.9% 0.123 288.1) |
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 #6155A4 | 6.28:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #6155A4 | 3.34:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #6155A4 text on white | 6.28:1 | AA | Lc 81.1 | Fine for body text |
| #6155A4 text on black | 3.34:1 | AA large text | Lc -20.7 | 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
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BEBBE6
oklch(80.9% 0.06 288.2)
-
Step 400
400
#9D97D9
oklch(70.6% 0.096 287.9)
-
Step 500
500
#867CCE
oklch(63% 0.121 288)
-
Step 600
600
#7164BB
oklch(55.6% 0.132 288.2)
-
Step 700
700 (this color)
#6155A4
oklch(49.9% 0.123 288.1)
-
Step 800
800
#4D4483
oklch(42.7% 0.102 287.8)
-
Step 900
900
#403A69
oklch(37.8% 0.079 287.9)
-
Step 950
950
#25223D
oklch(26.9% 0.05 287.7)
#6155A4 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) | #3762A7 | 0.060 |
| Deuteranopia (no green cones) | #365EA2 | 0.059 |
| Tritanopia (no blue cones) | #4E6574 | 0.104 |
| Achromatopsia (no color) | #606060 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6155A4
#6155A4
oklch(49.9% 0.123 288.1)
- #696700
#696700
oklch(49.9% 0.108 108.4)
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 #6155A4, closest first.
No curated palette has a color within ΔE 0.04 of #6155A4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.050
- Twilight #4E518B ΔE 0.051
- Dusky Blue #475F94 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.063
- Dusk #4E5481 ΔE 0.065
- French Blue #436BAD ΔE 0.066
- Slate Blue #6A5ACD ΔE 0.066
- Light Indigo #6D5ACF ΔE 0.070
Use #6155A4 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.