#5588DB#5588DB

#5588DB is a light, vivid blue. Relative luminance 0.247; OKLCH L 62.9% C 0.137 H 259.7°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#5588DB
RGB	rgb(85, 136, 219)
HSL	hsl(217, 65%, 60%)
HSV	hsv(217, 61%, 86%)
CMYK	cmyk(61.2%, 37.9%, 0%, 14.1%)
CIE-LAB	lab(56.73, 8.26, -47.56)
CIE-LCH	lch(56.73, 48.27, 279.85°)
OKLab	oklab(62.94% -0.0246 -0.135)
OKLCH	oklch(62.94% 0.137 259.7)
XYZ	xyz(25.3322, 24.6518, 70.4274)
Luminance	0.2465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5588DB #DBA855

analogous

#55CBDB #5588DB #6555DB

triadic

#5588DB #DB5588 #88DB55

tetradic

#5588DB #DB55CB #DBA855 #55DB65

square

#5588DB #DB55CB #DBA855 #55DB65

split-complementary

#5588DB #DB6555 #CBDB55

monochromatic

#204D96 #2A67C8 #5588DB #88ABE6 #BACFF0

Accessibility & contrast

On white

3.54

#5588DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#5588DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5588DB

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5588DB	#FFFFFF	#000000	##000000
##5588DB	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648FDE

Deuteranopia (green-blind)

#5282D9

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5588db;
/* rgb */ color: rgb(85, 136, 219);
/* oklch */ color: oklch(62.9% 0.137 259.7);

Tailwind

colors: {
  custom: {
    50: '#90aae6',
    500: '#5588db',
    950: '#000000',
  },
}

SCSS

$custom: #5588db;
$custom-light: #90aae6;
$custom-dark: #000000;

JSON

{
  "hex": "#5588db",
  "rgb": {
    "r": 85,
    "g": 136,
    "b": 219
  },
  "hsl": {
    "h": 217.164,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.62941,
    "c": 0.13727,
    "h": 259.7
  },
  "luminance": 0.24654
}

Semantic roles & 50–950 ramp

primary

#5588DB

secondary

#E0CCAC

accent

#A840E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5588DB

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

Preview Lab → · Contrast checker → · Palette generator →