#6453B1
Closest named color: Iris (#6258C4). oklch(50.7% 0.144 288.5), rgb(100, 83, 177).
Aa
White text reads best on this color (6.15:1).
About this color
#6453B1 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.144 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.031 away. White text reads best on it, at 6.15:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #6453B1 |
| RGB | rgb(100, 83, 177) |
| HSL | hsl(251, 38%, 51%) |
| OKLCH | oklch(50.7% 0.144 288.5) |
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 #6453B1 | 6.15:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #6453B1 | 3.41:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #6453B1 text on white | 6.15:1 | AA | Lc 80.5 | Fine for body text |
| #6453B1 text on black | 3.41:1 | AA large text | Lc -21.4 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
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
#BEBAEC
oklch(80.9% 0.07 288.4)
-
Step 400
400
#9E95E2
oklch(70.8% 0.111 288.6)
-
Step 500
500
#8779D9
oklch(63.1% 0.141 288.4)
-
Step 600
600
#7260C7
oklch(55.7% 0.154 288.4)
-
Step 700
700 (this color)
#6453B1
oklch(50.7% 0.144 288.5)
-
Step 800
800
#4E418B
oklch(42.7% 0.118 288.4)
-
Step 900
900
#40386F
oklch(37.7% 0.092 287.9)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#6453B1 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) | #2764B4 | 0.078 |
| Deuteranopia (no green cones) | #285FAF | 0.076 |
| Tritanopia (no blue cones) | #4D677A | 0.119 |
| Achromatopsia (no color) | #616161 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6453B1
#6453B1
oklch(50.7% 0.144 288.5)
- #6B6900
#6B6900
oklch(50.6% 0.109 108.4)
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 #6453B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.031
- Slate Blue #6A5ACD ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.071
- Twilight #4E518B ΔE 0.071
- Dusky Blue #475F94 ΔE 0.073
Use #6453B1 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.