#538BB8#538BB8

#538BB8 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.091 H 244.3°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#538BB8
RGB	rgb(83, 139, 184)
HSL	hsl(207, 42%, 52%)
HSV	hsv(207, 55%, 72%)
CMYK	cmyk(54.9%, 24.5%, 0%, 27.8%)
CIE-LAB	lab(55.85, -5.29, -29.17)
CIE-LCH	lch(55.85, 29.65, 259.72°)
OKLab	oklab(61.68% -0.0394 -0.0816)
OKLCH	oklch(61.68% 0.091 244.3)
XYZ	xyz(21.4485, 23.7631, 48.7946)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB8 #B88053

analogous

#53B8B3 #538BB8 #5358B8

triadic

#538BB8 #B8538B #8BB853

tetradic

#538BB8 #B353B8 #B88053 #58B853

square

#538BB8 #B353B8 #B88053 #58B853

split-complementary

#538BB8 #B85358 #B8B353

monochromatic

#2A4C66 #3C6C92 #538BB8 #7EA8CA #AAC5DC

Accessibility & contrast

On white

3.65

#538BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#538BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB8

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB8	#FFFFFF	#000000	##000000
##538BB8	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788CBA

Deuteranopia (green-blind)

#6A81B7

Tritanopia (blue-blind)

#0A969A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #538bb8;
/* rgb */ color: rgb(83, 139, 184);
/* oklch */ color: oklch(61.7% 0.091 244.3);

Tailwind

colors: {
  custom: {
    50: '#8aaccd',
    500: '#538bb8',
    950: '#000000',
  },
}

SCSS

$custom: #538bb8;
$custom-light: #8aaccd;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb8",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 184
  },
  "hsl": {
    "h": 206.733,
    "s": 41.564,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61684,
    "c": 0.09063,
    "h": 244.3
  },
  "luminance": 0.23765
}

Semantic roles & 50–950 ramp

primary

#538BB8

secondary

#C9B19D

accent

#8D56D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB8

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

Preview Lab → · Contrast checker → · Palette generator →