#5899EB#5899EB

#5899EB is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.6% C 0.139 H 255.1°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#5899EB
RGB	rgb(88, 153, 235)
HSL	hsl(213, 79%, 63%)
HSV	hsv(213, 63%, 92%)
CMYK	cmyk(62.6%, 34.9%, 0%, 7.8%)
CIE-LAB	lab(62.38, 4.10, -47.51)
CIE-LCH	lch(62.38, 47.68, 274.94°)
OKLab	oklab(67.64% -0.0358 -0.1347)
OKLCH	oklch(67.64% 0.139 255.1)
XYZ	xyz(30.4057, 30.8524, 82.9339)
Luminance	0.3085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5899EB #EBAA58

analogous

#58E3EB #5899EB #6058EB

triadic

#5899EB #EB5899 #99EB58

tetradic

#5899EB #EB58E3 #EBAA58 #58EB60

square

#5899EB #EB58E3 #EBAA58 #58EB60

split-complementary

#5899EB #EB6058 #E3EB58

monochromatic

#155BB3 #2178E4 #5899EB #8FBAF2 #C5DCF8

Accessibility & contrast

On white

2.93

#5899EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#5899EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5899EB

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5899EB	#FFFFFF	#000000	##000000
##5899EB	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769EEE

Deuteranopia (green-blind)

#6190E9

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5899eb;
/* rgb */ color: rgb(88, 153, 235);
/* oklch */ color: oklch(67.6% 0.139 255.1);

Tailwind

colors: {
  custom: {
    50: '#94b6f2',
    500: '#5899eb',
    950: '#000000',
  },
}

SCSS

$custom: #5899eb;
$custom-light: #94b6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5899eb",
  "rgb": {
    "r": 88,
    "g": 153,
    "b": 235
  },
  "hsl": {
    "h": 213.469,
    "s": 78.61,
    "l": 63.333
  },
  "oklch": {
    "l": 0.67638,
    "c": 0.13933,
    "h": 255.1
  },
  "luminance": 0.30855
}

Semantic roles & 50–950 ramp

primary

#5899EB

secondary

#EAD2B5

accent

#7F0BDB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5899EB

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

Preview Lab → · Contrast checker → · Palette generator →