#535B9F
Closest named color: Dusky Blue (#475F94). oklch(49.7% 0.108 276.6), rgb(83, 91, 159).
Aa
White text reads best on this color (6.24:1).
About this color
#535B9F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.108 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.028 away. White text reads best on it, at 6.24:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #535B9F |
| RGB | rgb(83, 91, 159) |
| HSL | hsl(234, 31%, 47%) |
| OKLCH | oklch(49.7% 0.108 276.6) |
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 #535B9F | 6.24:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #535B9F | 3.36:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #535B9F text on white | 6.24:1 | AA | Lc 81.0 | Fine for body text |
| #535B9F text on black | 3.36:1 | AA large text | Lc -20.9 | 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 700.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8ED
oklch(88.6% 0.029 277.2)
-
Step 300
300
#B7BEE3
oklch(80.8% 0.053 276.7)
-
Step 400
400
#939CD5
oklch(70.7% 0.084 277.1)
-
Step 500
500
#7983CA
oklch(63.2% 0.107 276.8)
-
Step 600
600
#626BB6
oklch(55.5% 0.116 276.7)
-
Step 700
700 (this color)
#535B9F
oklch(49.7% 0.108 276.6)
-
Step 800
800
#43497F
oklch(42.6% 0.089 277.1)
-
Step 900
900
#383E66
oklch(37.8% 0.069 276.1)
-
Step 950
950
#21243C
oklch(27% 0.045 277.5)
#535B9F 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) | #4164A2 | 0.031 |
| Deuteranopia (no green cones) | #3A5E9D | 0.032 |
| Tritanopia (no blue cones) | #376975 | 0.095 |
| Achromatopsia (no color) | #606060 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #535B9F
#535B9F
oklch(49.7% 0.108 276.6)
- #736200
#736200
oklch(49.8% 0.103 97.3)
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 #535B9F, closest first.
No curated palette has a color within ΔE 0.04 of #535B9F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.039
- Twilight #4E518B ΔE 0.040
- French Blue #436BAD ΔE 0.047
- Dusk #4E5481 ΔE 0.050
- Denim #3B638C ΔE 0.051
- Mid Blue #276AB3 ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.061
Use #535B9F 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.