#538DB2#538DB2

#538DB2 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.9% C 0.083 H 238.1°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#538DB2
RGB	rgb(83, 141, 178)
HSL	hsl(203, 38%, 51%)
HSV	hsv(203, 53%, 70%)
CMYK	cmyk(53.4%, 20.8%, 0%, 30.2%)
CIE-LAB	lab(56.19, -8.29, -25.22)
CIE-LCH	lch(56.19, 26.55, 251.81°)
OKLab	oklab(61.87% -0.0438 -0.0703)
OKLCH	oklch(61.87% 0.083 238.1)
XYZ	xyz(21.1251, 24.1013, 45.6496)
Luminance	0.2410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DB2 #B27853

analogous

#53B2A7 #538DB2 #535DB2

triadic

#538DB2 #B2538D #8DB253

tetradic

#538DB2 #A753B2 #B27853 #5DB253

square

#538DB2 #A753B2 #B27853 #5DB253

split-complementary

#538DB2 #B2535D #B2A753

monochromatic

#2B4B60 #3E6C8A #538DB2 #7DA9C5 #A8C5D8

Accessibility & contrast

On white

3.61

#538DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#538DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DB2

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DB2	#FFFFFF	#000000	##000000
##538DB2	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB4

Deuteranopia (green-blind)

#6F82B1

Tritanopia (blue-blind)

#179699

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #538db2;
/* rgb */ color: rgb(83, 141, 178);
/* oklch */ color: oklch(61.9% 0.083 238.1);

Tailwind

colors: {
  custom: {
    50: '#8aaec9',
    500: '#538db2',
    950: '#000000',
  },
}

SCSS

$custom: #538db2;
$custom-light: #8aaec9;
$custom-dark: #000000;

JSON

{
  "hex": "#538db2",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 203.368,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.6187,
    "c": 0.08283,
    "h": 238.1
  },
  "luminance": 0.24103
}

Semantic roles & 50–950 ramp

primary

#538DB2

secondary

#C5AC9B

accent

#875ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538DB2

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

Preview Lab → · Contrast checker → · Palette generator →