#536091
Closest named color: Dusky Blue (#475F94). oklch(50% 0.08 271.9), rgb(83, 96, 145).
Aa
White text reads best on this color (6.08:1).
About this color
#536091 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.080 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.017 away. White text reads best on it, at 6.08:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.44:1 |
| White text | 6.08:1 |
Values
| HEX | #536091 |
| RGB | rgb(83, 96, 145) |
| HSL | hsl(227, 27%, 45%) |
| OKLCH | oklch(50% 0.08 271.9) |
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 #536091 | 6.08:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #536091 | 3.44:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #536091 text on white | 6.08:1 | AA | Lc 80.3 | Fine for body text |
| #536091 text on black | 3.44:1 | AA large text | Lc -21.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B7C0DA
oklch(80.9% 0.038 270.4)
-
Step 400
400
#939FC8
oklch(70.8% 0.062 272)
-
Step 500
500
#7887BA
oklch(63.1% 0.079 271.4)
-
Step 600
600
#6170A6
oklch(55.6% 0.086 271.5)
-
Step 700
700 (this color)
#536091
oklch(50% 0.08 271.9)
-
Step 800
800
#424D74
oklch(42.8% 0.066 271.4)
-
Step 900
900
#38405D
oklch(37.7% 0.051 271.9)
-
Step 950
950
#212637
oklch(27.2% 0.033 271.5)
#536091 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) | #4F6593 | 0.014 |
| Deuteranopia (no green cones) | #4A6090 | 0.012 |
| Tritanopia (no blue cones) | #3F6A72 | 0.071 |
| Achromatopsia (no color) | #626262 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536091
#536091
oklch(50% 0.08 271.9)
- #746127
#746127
oklch(49.9% 0.08 91)
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 #536091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.017
- Denim #3B638C ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.036
- Dusk #4E5481 ΔE 0.040
- Twilight #4E518B ΔE 0.044
- Dusty Grape #545775 ΔE 0.047
- French Blue #436BAD ΔE 0.050
- YInMn Blue #415A77 ΔE 0.051
Use #536091 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.