#538EBB#538EBB

#538EBB is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.5% C 0.092 H 243.0°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#538EBB
RGB	rgb(83, 142, 187)
HSL	hsl(206, 43%, 53%)
HSV	hsv(206, 56%, 73%)
CMYK	cmyk(55.6%, 24.1%, 0%, 26.7%)
CIE-LAB	lab(56.85, -6.06, -29.32)
CIE-LCH	lch(56.85, 29.94, 258.32°)
OKLab	oklab(62.52% -0.0418 -0.0821)
OKLCH	oklch(62.52% 0.092 243)
XYZ	xyz(22.2067, 24.7710, 50.6151)
Luminance	0.2477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EBB #BB8053

analogous

#53BBB4 #538EBB #535ABB

triadic

#538EBB #BB538E #8EBB53

tetradic

#538EBB #B453BB #BB8053 #5ABB53

square

#538EBB #B453BB #BB8053 #5ABB53

split-complementary

#538EBB #BB535A #BBB453

monochromatic

#2A4E6A #3B6E96 #538EBB #7FABCC #ABC8DE

Accessibility & contrast

On white

3.53

#538EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#538EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EBB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EBB	#FFFFFF	#000000	##000000
##538EBB	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBD

Deuteranopia (green-blind)

#6C84BA

Tritanopia (blue-blind)

#00999D

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #538ebb;
/* rgb */ color: rgb(83, 142, 187);
/* oklch */ color: oklch(62.5% 0.092 243.0);

Tailwind

colors: {
  custom: {
    50: '#8bafcf',
    500: '#538ebb',
    950: '#000000',
  },
}

SCSS

$custom: #538ebb;
$custom-light: #8bafcf;
$custom-dark: #000000;

JSON

{
  "hex": "#538ebb",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 187
  },
  "hsl": {
    "h": 205.962,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62516,
    "c": 0.09211,
    "h": 243
  },
  "luminance": 0.24773
}

Semantic roles & 50–950 ramp

primary

#538EBB

secondary

#CBB29E

accent

#8B55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #538EBB

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

Preview Lab → · Contrast checker → · Palette generator →