#536683
Closest named color: Slate (#516572). oklch(50.6% 0.052 258.7), rgb(83, 102, 131).
Aa
White text reads best on this color (5.83:1).
About this color
#536683 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.052 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.028 away. White text reads best on it, at 5.83:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #536683 |
| RGB | rgb(83, 102, 131) |
| HSL | hsl(216, 22%, 42%) |
| OKLCH | oklch(50.6% 0.052 258.7) |
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 #536683 | 5.83:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #536683 | 3.59:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #536683 text on white | 5.83:1 | AA | Lc 79.2 | Fine for body text |
| #536683 text on black | 3.59:1 | AA large text | Lc -22.6 | 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4DAE3
oklch(88.6% 0.014 258.3)
-
Step 300
300
#B7C1D1
oklch(80.8% 0.025 259.8)
-
Step 400
400
#92A2BA
oklch(70.8% 0.04 258.4)
-
Step 500
500
#778BA9
oklch(63.2% 0.051 258.4)
-
Step 600
600
#5F7494
oklch(55.5% 0.056 258.7)
-
Step 700
700 (this color)
#536683
oklch(50.6% 0.052 258.7)
-
Step 800
800
#415067
oklch(42.8% 0.043 258.8)
-
Step 900
900
#374254
oklch(37.7% 0.034 260.2)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#536683 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) | #5C6784 | 0.013 |
| Deuteranopia (no green cones) | #576382 | 0.010 |
| Tritanopia (no blue cones) | #446C70 | 0.045 |
| Achromatopsia (no color) | #656565 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536683
#536683
oklch(50.6% 0.052 258.7)
- #756243
#756243
oklch(50.7% 0.051 79.4)
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 #536683, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.028
- Denim #3B638C ΔE 0.035
- Metallic Blue #4F738E ΔE 0.037
- Dusky Blue #475F94 ΔE 0.042
- Dusty Grape #545775 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.047
- Dull Blue #49759C ΔE 0.050
- Muted Blue #3B719F ΔE 0.051
Use #536683 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.