#538FB5#538FB5

#538FB5 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.5% C 0.085 H 238.0°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#538FB5
RGB	rgb(83, 143, 181)
HSL	hsl(203, 40%, 52%)
HSV	hsv(203, 54%, 71%)
CMYK	cmyk(54.1%, 21%, 0%, 29%)
CIE-LAB	lab(56.90, -8.49, -25.84)
CIE-LCH	lch(56.90, 27.20, 251.80°)
OKLab	oklab(62.47% -0.045 -0.0721)
OKLCH	oklch(62.47% 0.085 238)
XYZ	xyz(21.7272, 24.8183, 47.3525)
Luminance	0.2482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FB5 #B57953

analogous

#53B5AA #538FB5 #535EB5

triadic

#538FB5 #B5538F #8FB553

tetradic

#538FB5 #AA53B5 #B57953 #5EB553

square

#538FB5 #AA53B5 #B57953 #5EB553

split-complementary

#538FB5 #B5535E #B5AA53

monochromatic

#2B4D63 #3D6E8E #538FB5 #7EABC7 #A9C7DA

Accessibility & contrast

On white

3.52

#538FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#538FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FB5

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FB5	#FFFFFF	#000000	##000000
##538FB5	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB7

Deuteranopia (green-blind)

#7084B4

Tritanopia (blue-blind)

#0F999C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #538fb5;
/* rgb */ color: rgb(83, 143, 181);
/* oklch */ color: oklch(62.5% 0.085 238.0);

Tailwind

colors: {
  custom: {
    50: '#8aafcb',
    500: '#538fb5',
    950: '#000000',
  },
}

SCSS

$custom: #538fb5;
$custom-light: #8aafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#538fb5",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 203.265,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62472,
    "c": 0.08499,
    "h": 238
  },
  "luminance": 0.2482
}

Semantic roles & 50–950 ramp

primary

#538FB5

secondary

#C7AD9C

accent

#8658D0

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538FB5

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

Preview Lab → · Contrast checker → · Palette generator →