#538AB3#538AB3

#538AB3 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.2% C 0.086 H 242.2°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#538AB3
RGB	rgb(83, 138, 179)
HSL	hsl(206, 39%, 51%)
HSV	hsv(206, 54%, 70%)
CMYK	cmyk(53.6%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(55.35, -6.28, -27.09)
CIE-LCH	lch(55.35, 27.81, 256.96°)
OKLab	oklab(61.22% -0.0399 -0.0757)
OKLCH	oklch(61.22% 0.086 242.2)
XYZ	xyz(20.7895, 23.2689, 46.0349)
Luminance	0.2327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538AB3 #B37C53

analogous

#53B3AC #538AB3 #535AB3

triadic

#538AB3 #B3538A #8AB353

tetradic

#538AB3 #AC53B3 #B37C53 #5AB353

square

#538AB3 #AC53B3 #B37C53 #5AB353

split-complementary

#538AB3 #B3535A #B3AC53

monochromatic

#2B4A61 #3E6A8B #538AB3 #7DA7C6 #A8C4D9

Accessibility & contrast

On white

3.71

#538AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#538AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AB3

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538AB3	#FFFFFF	#000000	##000000
##538AB3	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB5

Deuteranopia (green-blind)

#6B80B2

Tritanopia (blue-blind)

#179498

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #538ab3;
/* rgb */ color: rgb(83, 138, 179);
/* oklch */ color: oklch(61.2% 0.086 242.2);

Tailwind

colors: {
  custom: {
    50: '#8aacca',
    500: '#538ab3',
    950: '#000000',
  },
}

SCSS

$custom: #538ab3;
$custom-light: #8aacca;
$custom-dark: #000000;

JSON

{
  "hex": "#538ab3",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 205.625,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.61218,
    "c": 0.08554,
    "h": 242.2
  },
  "luminance": 0.23271
}

Semantic roles & 50–950 ramp

primary

#538AB3

secondary

#C6AE9C

accent

#8B59CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538AB3

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

Preview Lab → · Contrast checker → · Palette generator →