#538CBB#538CBB

#538CBB is a light, moderate cyan. Relative luminance 0.242; OKLCH L 62.1% C 0.093 H 245.0°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#538CBB
RGB	rgb(83, 140, 187)
HSL	hsl(207, 43%, 53%)
HSV	hsv(207, 56%, 73%)
CMYK	cmyk(55.6%, 25.1%, 0%, 26.7%)
CIE-LAB	lab(56.27, -4.92, -30.23)
CIE-LCH	lch(56.27, 30.63, 260.76°)
OKLab	oklab(62.06% -0.0395 -0.0847)
OKLCH	oklch(62.06% 0.093 245)
XYZ	xyz(21.9118, 24.1812, 50.5168)
Luminance	0.2418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CBB #BB8253

analogous

#53BBB6 #538CBB #5358BB

triadic

#538CBB #BB538C #8CBB53

tetradic

#538CBB #B653BB #BB8253 #58BB53

square

#538CBB #B653BB #BB8253 #58BB53

split-complementary

#538CBB #BB5358 #BBB653

monochromatic

#2A4D6A #3B6D96 #538CBB #7FA9CC #ABC7DE

Accessibility & contrast

On white

3.60

#538CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#538CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CBB

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CBB	#FFFFFF	#000000	##000000
##538CBB	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBD

Deuteranopia (green-blind)

#6A82BA

Tritanopia (blue-blind)

#00979C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #538cbb;
/* rgb */ color: rgb(83, 140, 187);
/* oklch */ color: oklch(62.1% 0.093 245.0);

Tailwind

colors: {
  custom: {
    50: '#8badcf',
    500: '#538cbb',
    950: '#000000',
  },
}

SCSS

$custom: #538cbb;
$custom-light: #8badcf;
$custom-dark: #000000;

JSON

{
  "hex": "#538cbb",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 207.115,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62056,
    "c": 0.09344,
    "h": 245
  },
  "luminance": 0.24183
}

Semantic roles & 50–950 ramp

primary

#538CBB

secondary

#CBB39E

accent

#8E55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #538CBB

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

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