#538FB0#538FB0

#538FB0 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.2% C 0.080 H 234.1°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#538FB0
RGB	rgb(83, 143, 176)
HSL	hsl(201, 37%, 51%)
HSV	hsv(201, 53%, 69%)
CMYK	cmyk(52.8%, 18.7%, 0%, 31%)
CIE-LAB	lab(56.70, -10.02, -23.30)
CIE-LCH	lch(56.70, 25.36, 246.72°)
OKLab	oklab(62.25% -0.0468 -0.0648)
OKLCH	oklch(62.25% 0.08 234.1)
XYZ	xyz(21.2233, 24.6167, 44.6990)
Luminance	0.2462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FB0 #B07453

analogous

#53B0A2 #538FB0 #5360B0

triadic

#538FB0 #B0538F #8FB053

tetradic

#538FB0 #A253B0 #B07453 #60B053

square

#538FB0 #A253B0 #B07453 #60B053

split-complementary

#538FB0 #B05360 #B0A253

monochromatic

#2B4C5E #3E6E88 #538FB0 #7DAAC3 #A7C6D7

Accessibility & contrast

On white

3.55

#538FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#538FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FB0

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FB0	#FFFFFF	#000000	##000000
##538FB0	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB2

Deuteranopia (green-blind)

#7284AF

Tritanopia (blue-blind)

#19989A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #538fb0;
/* rgb */ color: rgb(83, 143, 176);
/* oklch */ color: oklch(62.2% 0.080 234.1);

Tailwind

colors: {
  custom: {
    50: '#8aafc7',
    500: '#538fb0',
    950: '#000000',
  },
}

SCSS

$custom: #538fb0;
$custom-light: #8aafc7;
$custom-dark: #000000;

JSON

{
  "hex": "#538fb0",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 176
  },
  "hsl": {
    "h": 201.29,
    "s": 37.052,
    "l": 50.784
  },
  "oklch": {
    "l": 0.62249,
    "c": 0.07999,
    "h": 234.1
  },
  "luminance": 0.24619
}

Semantic roles & 50–950 ramp

primary

#538FB0

secondary

#C4A99B

accent

#835BCD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538FB0

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

Preview Lab → · Contrast checker → · Palette generator →