#538FD0#538FD0

#538FD0 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.8% C 0.117 H 251.8°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#538FD0
RGB	rgb(83, 143, 208)
HSL	hsl(211, 57%, 57%)
HSV	hsv(211, 60%, 82%)
CMYK	cmyk(60.1%, 31.3%, 0%, 18.4%)
CIE-LAB	lab(58.07, 0.11, -39.28)
CIE-LCH	lch(58.07, 39.28, 270.15°)
OKLab	oklab(63.78% -0.0364 -0.1109)
OKLCH	oklch(63.78% 0.117 251.8)
XYZ	xyz(24.7708, 26.0357, 63.3823)
Luminance	0.2604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FD0 #D09453

analogous

#53CED0 #538FD0 #5653D0

triadic

#538FD0 #D0538F #8FD053

tetradic

#538FD0 #D053CE #D09453 #53D056

square

#538FD0 #D053CE #D09453 #53D056

split-complementary

#538FD0 #D05653 #CED053

monochromatic

#245284 #3170B4 #538FD0 #83AEDD #B3CEEA

Accessibility & contrast

On white

3.38

#538FD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#538FD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FD0

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FD0	#FFFFFF	#000000	##000000
##538FD0	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7492D3

Deuteranopia (green-blind)

#6386CF

Tritanopia (blue-blind)

#009EA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538fd0;
/* rgb */ color: rgb(83, 143, 208);
/* oklch */ color: oklch(63.8% 0.117 251.8);

Tailwind

colors: {
  custom: {
    50: '#8dafde',
    500: '#538fd0',
    950: '#000000',
  },
}

SCSS

$custom: #538fd0;
$custom-light: #8dafde;
$custom-dark: #000000;

JSON

{
  "hex": "#538fd0",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 208
  },
  "hsl": {
    "h": 211.2,
    "s": 57.078,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63783,
    "c": 0.1167,
    "h": 251.8
  },
  "luminance": 0.26038
}

Semantic roles & 50–950 ramp

primary

#538FD0

secondary

#D9C0A6

accent

#9747E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #538FD0

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

Preview Lab → · Contrast checker → · Palette generator →