#5399DD#5399DD

#5399DD is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.7% C 0.124 H 249.6°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#5399DD
RGB	rgb(83, 153, 221)
HSL	hsl(210, 67%, 60%)
HSV	hsv(210, 62%, 87%)
CMYK	cmyk(62.4%, 30.8%, 0%, 13.3%)
CIE-LAB	lab(61.52, -1.41, -41.14)
CIE-LCH	lch(61.52, 41.16, 268.04°)
OKLab	oklab(66.69% -0.0433 -0.1162)
OKLCH	oklch(66.69% 0.124 249.6)
XYZ	xyz(28.0049, 29.8392, 72.6763)
Luminance	0.2984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399DD #DD9753

analogous

#53DDDC #5399DD #5354DD

triadic

#5399DD #DD5399 #99DD53

tetradic

#5399DD #DC53DD #DD9753 #54DD53

square

#5399DD #DC53DD #DD9753 #54DD53

split-complementary

#5399DD #DD5354 #DDDC53

monochromatic

#1E5C98 #287BCB #5399DD #86B7E7 #B9D6F1

Accessibility & contrast

On white

3.01

#5399DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#5399DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5399DD

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399DD	#FFFFFF	#000000	##000000
##5399DD	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9CE0

Deuteranopia (green-blind)

#698FDC

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5399dd;
/* rgb */ color: rgb(83, 153, 221);
/* oklch */ color: oklch(66.7% 0.124 249.6);

Tailwind

colors: {
  custom: {
    50: '#8fb6e8',
    500: '#5399dd',
    950: '#000000',
  },
}

SCSS

$custom: #5399dd;
$custom-light: #8fb6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5399dd",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 221
  },
  "hsl": {
    "h": 209.565,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.66685,
    "c": 0.12397,
    "h": 249.6
  },
  "luminance": 0.29842
}

Semantic roles & 50–950 ramp

primary

#5399DD

secondary

#E1C6AB

accent

#933EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5399DD

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

Preview Lab → · Contrast checker → · Palette generator →