#538FB7#538FB7

#538FB7 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.6% C 0.087 H 239.4°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#538FB7
RGB	rgb(83, 143, 183)
HSL	hsl(204, 41%, 52%)
HSV	hsv(204, 55%, 72%)
CMYK	cmyk(54.6%, 21.9%, 0%, 28.2%)
CIE-LAB	lab(56.98, -7.88, -26.85)
CIE-LCH	lch(56.98, 27.99, 253.65°)
OKLab	oklab(62.56% -0.0443 -0.075)
OKLCH	oklch(62.56% 0.087 239.4)
XYZ	xyz(21.9339, 24.9010, 48.4411)
Luminance	0.2490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FB7 #B77B53

analogous

#53B7AD #538FB7 #535DB7

triadic

#538FB7 #B7538F #8FB753

tetradic

#538FB7 #AD53B7 #B77B53 #5DB753

square

#538FB7 #AD53B7 #B77B53 #5DB753

split-complementary

#538FB7 #B7535D #B7AD53

monochromatic

#2A4E65 #3C6F90 #538FB7 #7EABC9 #A9C7DB

Accessibility & contrast

On white

3.51

#538FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#538FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FB7

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FB7	#FFFFFF	#000000	##000000
##538FB7	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FB9

Deuteranopia (green-blind)

#6F84B6

Tritanopia (blue-blind)

#09999C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #538fb7;
/* rgb */ color: rgb(83, 143, 183);
/* oklch */ color: oklch(62.6% 0.087 239.4);

Tailwind

colors: {
  custom: {
    50: '#8aafcc',
    500: '#538fb7',
    950: '#000000',
  },
}

SCSS

$custom: #538fb7;
$custom-light: #8aafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#538fb7",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 183
  },
  "hsl": {
    "h": 204,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.62562,
    "c": 0.08711,
    "h": 239.4
  },
  "luminance": 0.24903
}

Semantic roles & 50–950 ramp

primary

#538FB7

secondary

#C9AF9D

accent

#8857D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538FB7

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

Preview Lab → · Contrast checker → · Palette generator →