#5C6BBC
Closest named color: French Blue (#436BAD). oklch(55.4% 0.127 273.7), rgb(92, 107, 188).
Aa
White text reads best on this color (4.90:1).
About this color
#5C6BBC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.127 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.040 away. White text reads best on it, at 4.90:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #5C6BBC |
| RGB | rgb(92, 107, 188) |
| HSL | hsl(231, 42%, 55%) |
| OKLCH | oklch(55.4% 0.127 273.7) |
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 #5C6BBC | 4.90:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #5C6BBC | 4.28:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #5C6BBC text on white | 4.90:1 | AA | Lc 73.8 | Content text, not long reading |
| #5C6BBC text on black | 4.28:1 | AA large text | Lc -27.9 | 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
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B4BFE6
oklch(80.9% 0.056 272.7)
-
Step 400
400
#8E9DDA
oklch(70.8% 0.091 273.2)
-
Step 500
500
#7383D0
oklch(63% 0.117 273.7)
-
Step 600
600 (this color)
#5C6BBC
oklch(55.4% 0.127 273.7)
-
Step 700
700
#4C59A3
oklch(49% 0.119 273.7)
-
Step 800
800
#3F4984
oklch(42.7% 0.098 274.2)
-
Step 900
900
#353E6A
oklch(37.8% 0.076 273.5)
-
Step 950
950
#1F243E
oklch(26.9% 0.049 274.4)
#5C6BBC 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) | #4A75BF | 0.031 |
| Deuteranopia (no green cones) | #406DBA | 0.033 |
| Tritanopia (no blue cones) | #337C8A | 0.112 |
| Achromatopsia (no color) | #717171 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C6BBC
#5C6BBC
oklch(55.4% 0.127 273.7)
- #897000
#897000
oklch(55.3% 0.113 93.3)
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 #5C6BBC, closest first.
No curated palette has a color within ΔE 0.04 of #5C6BBC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.040
- Windows Blue #3778BF ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.049
- Iris #6258C4 ΔE 0.051
- Flat Blue #3C73A8 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.055
- Mid Blue #276AB3 ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.058
Use #5C6BBC 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.