#6455B2
Closest named color: Iris (#6258C4). oklch(51.1% 0.142 287.7), rgb(100, 85, 178).
Aa
White text reads best on this color (6.02:1).
About this color
#6455B2 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.142 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.028 away. White text reads best on it, at 6.02:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #6455B2 |
| RGB | rgb(100, 85, 178) |
| HSL | hsl(250, 38%, 52%) |
| OKLCH | oklch(51.1% 0.142 287.7) |
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 #6455B2 | 6.02:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #6455B2 | 3.48:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #6455B2 text on white | 6.02:1 | AA | Lc 79.9 | Fine for body text |
| #6455B2 text on black | 3.48:1 | AA large text | Lc -21.9 | 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
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F2
oklch(88.6% 0.038 287.2)
-
Step 300
300
#BDBAEB
oklch(80.8% 0.069 287.6)
-
Step 400
400
#9D95E2
oklch(70.7% 0.111 288)
-
Step 500
500
#8679D9
oklch(63% 0.141 287.9)
-
Step 600
600
#7160C6
oklch(55.5% 0.153 288)
-
Step 700
700 (this color)
#6455B2
oklch(51.1% 0.142 287.7)
-
Step 800
800
#4D418B
oklch(42.6% 0.118 287.7)
-
Step 900
900
#40386F
oklch(37.7% 0.092 287.9)
-
Step 950
950
#252141
oklch(27% 0.058 287.5)
#6455B2 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) | #2B65B5 | 0.074 |
| Deuteranopia (no green cones) | #2A60B0 | 0.073 |
| Tritanopia (no blue cones) | #4D697B | 0.120 |
| Achromatopsia (no color) | #636363 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6455B2
#6455B2
oklch(51.1% 0.142 287.7)
- #6D6A00
#6D6A00
oklch(51% 0.11 107.8)
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 #6455B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.028
- Slate Blue #6A5ACD ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.058
- French Blue #436BAD ΔE 0.070
- Dusky Blue #475F94 ΔE 0.072
- Twilight #4E518B ΔE 0.072
Use #6455B2 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.