#536797
Closest named color: Dusky Blue (#475F94). oklch(51.8% 0.08 266.4), rgb(83, 103, 151).
Aa
White text reads best on this color (5.59:1).
About this color
#536797 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.080 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.029 away. White text reads best on it, at 5.59:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #536797 |
| RGB | rgb(83, 103, 151) |
| HSL | hsl(222, 29%, 46%) |
| OKLCH | oklch(51.8% 0.08 266.4) |
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 #536797 | 5.59:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #536797 | 3.75:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #536797 text on white | 5.59:1 | AA | Lc 77.9 | Fine for body text |
| #536797 text on black | 3.75:1 | AA large text | Lc -23.9 | 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 700.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E8
oklch(88.4% 0.022 265.8)
-
Step 300
300
#B5C1DB
oklch(81% 0.039 265.8)
-
Step 400
400
#8FA0C8
oklch(70.7% 0.062 266.8)
-
Step 500
500
#7388BA
oklch(63% 0.08 266.6)
-
Step 600
600
#5C72A6
oklch(55.7% 0.085 266.2)
-
Step 700
700 (this color)
#536797
oklch(51.8% 0.08 266.4)
-
Step 800
800
#3E4E74
oklch(42.8% 0.067 266.2)
-
Step 900
900
#35415D
oklch(37.7% 0.051 266.2)
-
Step 950
950
#1F2637
oklch(27% 0.033 266.9)
#536797 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) | #566B99 | 0.013 |
| Deuteranopia (no green cones) | #4F6596 | 0.008 |
| Tritanopia (no blue cones) | #3A7178 | 0.072 |
| Achromatopsia (no color) | #686868 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536797
#536797
oklch(51.8% 0.08 266.4)
- #7D652D
#7D652D
oklch(51.9% 0.08 86.1)
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 #536797, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.029
- Muted Blue #3B719F ΔE 0.035
- Denim #3B638C ΔE 0.037
- French Blue #436BAD ΔE 0.037
- Dull Blue #49759C ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.042
- Metallic Blue #4F738E ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.049
Use #536797 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.