#538DBB#538DBB

#538DBB is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.3% C 0.093 H 244.0°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#538DBB
RGB	rgb(83, 141, 187)
HSL	hsl(207, 43%, 53%)
HSV	hsv(207, 56%, 73%)
CMYK	cmyk(55.6%, 24.6%, 0%, 26.7%)
CIE-LAB	lab(56.56, -5.49, -29.78)
CIE-LCH	lch(56.56, 30.28, 259.55°)
OKLab	oklab(62.29% -0.0407 -0.0834)
OKLCH	oklch(62.29% 0.093 244)
XYZ	xyz(22.0585, 24.4747, 50.5657)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DBB #BB8153

analogous

#53BBB5 #538DBB #5359BB

triadic

#538DBB #BB538D #8DBB53

tetradic

#538DBB #B553BB #BB8153 #59BB53

square

#538DBB #B553BB #BB8153 #59BB53

split-complementary

#538DBB #BB5359 #BBB553

monochromatic

#2A4D6A #3B6E96 #538DBB #7FAACC #ABC7DE

Accessibility & contrast

On white

3.56

#538DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#538DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DBB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DBB	#FFFFFF	#000000	##000000
##538DBB	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798EBD

Deuteranopia (green-blind)

#6B83BA

Tritanopia (blue-blind)

#00989D

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #538dbb;
/* rgb */ color: rgb(83, 141, 187);
/* oklch */ color: oklch(62.3% 0.093 244.0);

Tailwind

colors: {
  custom: {
    50: '#8baecf',
    500: '#538dbb',
    950: '#000000',
  },
}

SCSS

$custom: #538dbb;
$custom-light: #8baecf;
$custom-dark: #000000;

JSON

{
  "hex": "#538dbb",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 187
  },
  "hsl": {
    "h": 206.538,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62286,
    "c": 0.09277,
    "h": 244
  },
  "luminance": 0.24477
}

Semantic roles & 50–950 ramp

primary

#538DBB

secondary

#CBB29E

accent

#8D55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #538DBB

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

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