#536C8C
Closest named color: Metallic Blue (#4F738E). oklch(52.4% 0.059 254.9), rgb(83, 108, 140).
Aa
White text reads best on this color (5.39:1).
About this color
#536C8C is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.059 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.020 away. White text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #536C8C |
| RGB | rgb(83, 108, 140) |
| HSL | hsl(214, 26%, 44%) |
| OKLCH | oklch(52.4% 0.059 254.9) |
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 #536C8C | 5.39:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #536C8C | 3.89:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #536C8C text on white | 5.39:1 | AA | Lc 76.9 | Fine for body text |
| #536C8C text on black | 3.89:1 | AA large text | Lc -24.9 | 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 600.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B5C2D2
oklch(80.9% 0.027 253.6)
-
Step 400
400
#8FA2BB
oklch(70.6% 0.043 255.3)
-
Step 500
500
#748BAA
oklch(63% 0.054 256)
-
Step 600
600 (this color)
#536C8C
oklch(52.4% 0.059 254.9)
-
Step 700
700
#4B6280
oklch(49% 0.056 255.3)
-
Step 800
800
#3E5068
oklch(42.6% 0.046 255.8)
-
Step 900
900
#354354
oklch(37.8% 0.034 253.6)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#536C8C 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) | #606D8D | 0.018 |
| Deuteranopia (no green cones) | #59688B | 0.013 |
| Tritanopia (no blue cones) | #3F7377 | 0.051 |
| Achromatopsia (no color) | #6A6A6A | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536C8C
#536C8C
oklch(52.4% 0.059 254.9)
- #7E6543
#7E6543
oklch(52.3% 0.058 74.5)
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 #536C8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.020
- Dull Blue #49759C ΔE 0.031
- Muted Blue #3B719F ΔE 0.036
- Denim #3B638C ΔE 0.042
- Slate #516572 ΔE 0.042
- Stormy Blue #507B9C ΔE 0.044
- Cerulean #457B9D ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.047
Use #536C8C 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.