#536588
Closest named color: Denim (#3B638C). oklch(50.6% 0.06 263.3), rgb(83, 101, 136).
Aa
White text reads best on this color (5.85:1).
About this color
#536588 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.060 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.031 away. White text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #536588 |
| RGB | rgb(83, 101, 136) |
| HSL | hsl(220, 24%, 43%) |
| OKLCH | oklch(50.6% 0.06 263.3) |
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 #536588 | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #536588 | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #536588 text on white | 5.85:1 | AA | Lc 79.3 | Fine for body text |
| #536588 text on black | 3.58:1 | AA large text | Lc -22.5 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B7C1D4
oklch(80.9% 0.029 263.4)
-
Step 400
400
#92A1BE
oklch(70.7% 0.046 263.6)
-
Step 500
500
#778AAE
oklch(63.2% 0.059 263)
-
Step 600
600
#5F739A
oklch(55.5% 0.066 263.4)
-
Step 700
700 (this color)
#536588
oklch(50.6% 0.06 263.3)
-
Step 800
800
#414F6B
oklch(42.8% 0.05 263.8)
-
Step 900
900
#374257
oklch(37.8% 0.039 263.1)
-
Step 950
950
#202633
oklch(26.9% 0.026 265.4)
#536588 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) | #59678A | 0.011 |
| Deuteranopia (no green cones) | #546287 | 0.009 |
| Tritanopia (no blue cones) | #426C71 | 0.053 |
| Achromatopsia (no color) | #656565 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536588
#536588
oklch(50.6% 0.06 263.3)
- #76623C
#76623C
oklch(50.6% 0.06 82.7)
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 #536588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.031
- Dusky Blue #475F94 ΔE 0.034
- Slate #516572 ΔE 0.036
- Metallic Blue #4F738E ΔE 0.040
- Dusty Grape #545775 ΔE 0.045
- Muted Blue #3B719F ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Dull Blue #49759C ΔE 0.049
Use #536588 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.