#6063BC
Closest named color: Iris (#6258C4). oklch(54.1% 0.137 279.3), rgb(96, 99, 188).
Aa
White text reads best on this color (5.23:1).
About this color
#6063BC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.137 and its hue 279°. 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 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 4.00:1 |
| White text | 5.23:1 |
Values
| HEX | #6063BC |
| RGB | rgb(96, 99, 188) |
| HSL | hsl(238, 41%, 56%) |
| OKLCH | oklch(54.1% 0.137 279.3) |
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 #6063BC | 5.23:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #6063BC | 4.00:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #6063BC text on white | 5.23:1 | AA | Lc 75.8 | Fine for body text |
| #6063BC text on black | 4.00:1 | AA large text | Lc -25.9 | 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 600.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B8BDE9
oklch(80.9% 0.062 279.8)
-
Step 400
400
#949ADD
oklch(70.7% 0.098 279.6)
-
Step 500
500
#7A80D4
oklch(63.2% 0.126 279.1)
-
Step 600
600 (this color)
#6063BC
oklch(54.1% 0.137 279.3)
-
Step 700
700
#5356A7
oklch(49.2% 0.127 279)
-
Step 800
800
#444687
oklch(42.6% 0.106 279.6)
-
Step 900
900
#393C6C
oklch(37.8% 0.081 279)
-
Step 950
950
#21233F
oklch(26.9% 0.052 279.2)
#6063BC 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) | #3D70BF | 0.049 |
| Deuteranopia (no green cones) | #3569BA | 0.051 |
| Tritanopia (no blue cones) | #3D7686 | 0.120 |
| Achromatopsia (no color) | #6C6C6C | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6063BC
#6063BC
oklch(54.1% 0.137 279.3)
- #7F6F00
#7F6F00
oklch(54% 0.112 99.3)
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 #6063BC, closest first.
No curated palette has a color within ΔE 0.04 of #6063BC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.036
- Slate Blue #6A5ACD ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.042
- French Blue #436BAD ΔE 0.049
- Mid Blue #276AB3 ΔE 0.064
- Royal Blue #4169E1 ΔE 0.066
- Windows Blue #3778BF ΔE 0.066
Use #6063BC 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.