#5D6FBC
Closest named color: French Blue (#436BAD). oklch(56.3% 0.121 272.1), rgb(93, 111, 188).
Aa
White text reads best on this color (4.70:1).
About this color
#5D6FBC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.121 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.042 away. White text reads best on it, at 4.70:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #5D6FBC |
| RGB | rgb(93, 111, 188) |
| HSL | hsl(229, 41%, 55%) |
| OKLCH | oklch(56.3% 0.121 272.1) |
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 #5D6FBC | 4.70:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #5D6FBC | 4.46:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #5D6FBC text on white | 4.70:1 | AA | Lc 72.5 | Content text, not long reading |
| #5D6FBC text on black | 4.46:1 | AA large text | Lc -29.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B4BFE5
oklch(80.9% 0.055 272.4)
-
Step 400
400
#8D9ED7
oklch(70.8% 0.086 271.3)
-
Step 500
500
#7284CD
oklch(63% 0.112 272.3)
-
Step 600
600 (this color)
#5D6FBC
oklch(56.3% 0.121 272.1)
-
Step 700
700
#4B5BA0
oklch(49.2% 0.112 271.9)
-
Step 800
800
#3D4A82
oklch(42.6% 0.094 272)
-
Step 900
900
#343E68
oklch(37.6% 0.073 272.3)
-
Step 950
950
#1F253D
oklch(27.1% 0.046 272.4)
#5D6FBC 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) | #5078BF | 0.026 |
| Deuteranopia (no green cones) | #4770BA | 0.026 |
| Tritanopia (no blue cones) | #357F8C | 0.108 |
| Achromatopsia (no color) | #747474 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D6FBC
#5D6FBC
oklch(56.3% 0.121 272.1)
- #8E7200
#8E7200
oklch(56.3% 0.115 91.6)
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 #5D6FBC, closest first.
No curated palette has a color within ΔE 0.04 of #5D6FBC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.042
- Windows Blue #3778BF ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.056
- Steel Blue #4682B4 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.061
- Cool Blue #4984B8 ΔE 0.062
- Iris #6258C4 ΔE 0.062
Use #5D6FBC 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.