#588CEB#588CEB

#588CEB is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.9% C 0.153 H 261.5°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#588CEB
RGBrgb(88, 140, 235)
HSLhsl(219, 79%, 63%)
HSVhsv(219, 63%, 92%)
CMYKcmyk(62.6%, 40.4%, 0%, 7.8%)
CIE-LABlab(58.81, 11.77, -53.17)
CIE-LCHlch(58.81, 54.46, 282.48°)
OKLaboklab(64.86% -0.0227 -0.1514)
OKLCHoklch(64.86% 0.153 261.5)
XYZxyz(28.3927, 26.8264, 82.2629)
Luminance0.2683 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#588CEB #EBB758
analogous
#58D5EB #588CEB #6D58EB
triadic
#588CEB #EB588C #8CEB58
tetradic
#588CEB #EB58D5 #EBB758 #58EB6D
square
#588CEB #EB58D5 #EBB758 #58EB6D
split-complementary
#588CEB #EB6D58 #D5EB58
monochromatic
#154DB3 #2166E4 #588CEB #8FB2F2 #C5D7F8

Accessibility & contrast

On white

3.30
#588CEB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.37
#588CEB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CEB
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##588CEB#FFFFFF#000000##000000
##588CEB1.003.306.376.37
#FFFFFF3.301.0021.0021.00
#0000006.3721.001.001.00
##0000006.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6195EF
Deuteranopia (green-blind)
#4C87E9
Tritanopia (blue-blind)
#00A2B0
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #588ceb;
/* rgb */ color: rgb(88, 140, 235);
/* oklch */ color: oklch(64.9% 0.153 261.5);
Tailwind
colors: {
  custom: {
    50: '#94adf2',
    500: '#588ceb',
    950: '#000000',
  },
}
SCSS
$custom: #588ceb;
$custom-light: #94adf2;
$custom-dark: #000000;
JSON
{
  "hex": "#588ceb",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 218.776,
    "s": 78.61,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64864,
    "c": 0.15307,
    "h": 261.5
  },
  "luminance": 0.26829
}

Semantic roles & 50–950 ramp

primary
#588CEB
secondary
#EAD7B5
accent
#910BDB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #588CEB

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

Preview Lab → · Contrast checker → · Palette generator →

#588CEB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva