#538BD3#538BD3

#538BD3 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 63.1% C 0.124 H 255.4°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#538BD3
RGB	rgb(83, 139, 211)
HSL	hsl(214, 59%, 58%)
HSV	hsv(214, 61%, 83%)
CMYK	cmyk(60.7%, 34.1%, 0%, 17.3%)
CIE-LAB	lab(57.08, 3.44, -42.53)
CIE-LCH	lch(57.08, 42.67, 274.62°)
OKLab	oklab(63.05% -0.0313 -0.1203)
OKLCH	oklch(63.05% 0.124 255.4)
XYZ	xyz(24.5536, 25.0052, 65.1479)
Luminance	0.2501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BD3 #D39B53

analogous

#53CBD3 #538BD3 #5B53D3

triadic

#538BD3 #D3538B #8BD353

tetradic

#538BD3 #D353CB #D39B53 #53D35B

square

#538BD3 #D353CB #D39B53 #53D35B

split-complementary

#538BD3 #D35B53 #CBD353

monochromatic

#234F89 #2F6CB9 #538BD3 #84ACDF #B4CDEC

Accessibility & contrast

On white

3.50

#538BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#538BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BD3

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BD3	#FFFFFF	#000000	##000000
##538BD3	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D90D6

Deuteranopia (green-blind)

#5B83D2

Tritanopia (blue-blind)

#009BA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #538bd3;
/* rgb */ color: rgb(83, 139, 211);
/* oklch */ color: oklch(63.1% 0.124 255.4);

Tailwind

colors: {
  custom: {
    50: '#8eace1',
    500: '#538bd3',
    950: '#000000',
  },
}

SCSS

$custom: #538bd3;
$custom-light: #8eace1;
$custom-dark: #000000;

JSON

{
  "hex": "#538bd3",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 211
  },
  "hsl": {
    "h": 213.75,
    "s": 59.259,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63054,
    "c": 0.12436,
    "h": 255.4
  },
  "luminance": 0.25007
}

Semantic roles & 50–950 ramp

primary

#538BD3

secondary

#DBC4A7

accent

#9E45E2

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #538BD3

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

Preview Lab → · Contrast checker → · Palette generator →