#5C63BD
Closest named color: Iris (#6258C4). oklch(53.9% 0.139 277.3), rgb(92, 99, 189).
Aa
White text reads best on this color (5.28:1).
About this color
#5C63BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.139 and its hue 277°. 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 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #5C63BD |
| RGB | rgb(92, 99, 189) |
| HSL | hsl(236, 42%, 55%) |
| OKLCH | oklch(53.9% 0.139 277.3) |
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 #5C63BD | 5.28:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #5C63BD | 3.97:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #5C63BD text on white | 5.28:1 | AA | Lc 76.1 | Fine for body text |
| #5C63BD text on black | 3.97:1 | AA large text | Lc -25.7 | 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 600.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D3D8F1
oklch(88.6% 0.035 276.7)
-
Step 300
300
#B6BEE9
oklch(81% 0.061 276.7)
-
Step 400
400
#919BDF
oklch(70.8% 0.1 277.1)
-
Step 500
500
#7780D6
oklch(63% 0.129 277.5)
-
Step 600
600 (this color)
#5C63BD
oklch(53.9% 0.139 277.3)
-
Step 700
700
#5056A8
oklch(49% 0.129 277.3)
-
Step 800
800
#424788
oklch(42.7% 0.106 277.6)
-
Step 900
900
#373C6D
oklch(37.7% 0.083 277.2)
-
Step 950
950
#202340
oklch(26.9% 0.054 277.6)
#5C63BD 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) | #3B70C0 | 0.046 |
| Deuteranopia (no green cones) | #3168BB | 0.048 |
| Tritanopia (no blue cones) | #347787 | 0.122 |
| Achromatopsia (no color) | #6C6C6C | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C63BD
#5C63BD
oklch(53.9% 0.139 277.3)
- #806E00
#806E00
oklch(53.9% 0.111 97.8)
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 #5C63BD, closest first.
No curated palette has a color within ΔE 0.04 of #5C63BD.
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 0.040
- Light Indigo #6D5ACF ΔE 0.044
- French Blue #436BAD ΔE 0.046
- Mid Blue #276AB3 ΔE 0.060
- Royal Blue #4169E1 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.063
Use #5C63BD 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.