#536289
Closest named color: Dusky Blue (#475F94). oklch(50% 0.065 267.8), rgb(83, 98, 137).
Aa
White text reads best on this color (6.04:1).
About this color
#536289 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.065 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.027 away. White text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #536289 |
| RGB | rgb(83, 98, 137) |
| HSL | hsl(223, 25%, 43%) |
| OKLCH | oklch(50% 0.065 267.8) |
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 #536289 | 6.04:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #536289 | 3.47:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #536289 text on white | 6.04:1 | AA | Lc 80.2 | Fine for body text |
| #536289 text on black | 3.47:1 | AA large text | Lc -21.7 | 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B8C0D6
oklch(80.9% 0.032 269.8)
-
Step 400
400
#93A0C1
oklch(70.7% 0.051 268.2)
-
Step 500
500
#7889B1
oklch(63.2% 0.064 266.7)
-
Step 600
600
#61729D
oklch(55.6% 0.07 267.5)
-
Step 700
700 (this color)
#536289
oklch(50% 0.065 267.8)
-
Step 800
800
#424E6D
oklch(42.7% 0.054 267.8)
-
Step 900
900
#384158
oklch(37.7% 0.041 267.9)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#536289 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) | #55658B | 0.009 |
| Deuteranopia (no green cones) | #506088 | 0.008 |
| Tritanopia (no blue cones) | #426A70 | 0.058 |
| Achromatopsia (no color) | #636363 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536289
#536289
oklch(50% 0.065 267.8)
- #736136
#736136
oklch(50% 0.065 87.3)
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 #536289, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.027
- Denim #3B638C ΔE 0.029
- Dusty Grape #545775 ΔE 0.039
- Slate #516572 ΔE 0.042
- Dusk #4E5481 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.044
- Metallic Blue #4F738E ΔE 0.049
Use #536289 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.