#528BB9#528BB9

#528BB9 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.092 H 244.4°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#528BB9
RGB	rgb(82, 139, 185)
HSL	hsl(207, 42%, 52%)
HSV	hsv(207, 56%, 73%)
CMYK	cmyk(55.7%, 24.9%, 0%, 27.5%)
CIE-LAB	lab(55.85, -5.19, -29.75)
CIE-LCH	lch(55.85, 30.20, 260.10°)
OKLab	oklab(61.68% -0.0398 -0.0833)
OKLCH	oklch(61.68% 0.092 244.4)
XYZ	xyz(21.4661, 23.7600, 49.3445)
Luminance	0.2376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BB9 #B98052

analogous

#52B9B4 #528BB9 #5258B9

triadic

#528BB9 #B9528B #8BB952

tetradic

#528BB9 #B452B9 #B98052 #58B952

square

#528BB9 #B452B9 #B98052 #58B952

split-complementary

#528BB9 #B95258 #B9B452

monochromatic

#2A4C67 #3B6C93 #528BB9 #7EA8CB #A9C5DC

Accessibility & contrast

On white

3.65

#528BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#528BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BB9

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BB9	#FFFFFF	#000000	##000000
##528BB9	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778CBB

Deuteranopia (green-blind)

#6981B8

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #528bb9;
/* rgb */ color: rgb(82, 139, 185);
/* oklch */ color: oklch(61.7% 0.092 244.4);

Tailwind

colors: {
  custom: {
    50: '#8aacce',
    500: '#528bb9',
    950: '#000000',
  },
}

SCSS

$custom: #528bb9;
$custom-light: #8aacce;
$custom-dark: #000000;

JSON

{
  "hex": "#528bb9",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 206.796,
    "s": 42.387,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61683,
    "c": 0.09236,
    "h": 244.4
  },
  "luminance": 0.23762
}

Semantic roles & 50–950 ramp

primary

#528BB9

secondary

#CAB19D

accent

#8D56D2

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #528BB9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →