#5888EE#5888EE

#5888EE is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.2% C 0.162 H 263.5°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#5888EE
RGB	rgb(88, 136, 238)
HSL	hsl(221, 82%, 64%)
HSV	hsv(221, 63%, 93%)
CMYK	cmyk(63%, 42.9%, 0%, 6.7%)
CIE-LAB	lab(57.90, 15.18, -56.29)
CIE-LCH	lch(57.90, 58.30, 285.09°)
OKLab	oklab(64.21% -0.0182 -0.1606)
OKLCH	oklch(64.21% 0.162 263.5)
XYZ	xyz(28.2559, 25.8535, 84.3735)
Luminance	0.2586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5888EE #EEBE58

analogous

#58D3EE #5888EE #7358EE

triadic

#5888EE #EE5888 #88EE58

tetradic

#5888EE #EE58D3 #EEBE58 #58EE73

square

#5888EE #EE58D3 #EEBE58 #58EE73

split-complementary

#5888EE #EE7358 #D3EE58

monochromatic

#1348B9 #2060E8 #5888EE #90B0F4 #C7D7F9

Accessibility & contrast

On white

3.40

#5888EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#5888EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5888EE

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5888EE	#FFFFFF	#000000	##000000
##5888EE	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5992F2

Deuteranopia (green-blind)

#4185EC

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5888ee;
/* rgb */ color: rgb(88, 136, 238);
/* oklch */ color: oklch(64.2% 0.162 263.5);

Tailwind

colors: {
  custom: {
    50: '#94aaf4',
    500: '#5888ee',
    950: '#000000',
  },
}

SCSS

$custom: #5888ee;
$custom-light: #94aaf4;
$custom-dark: #000000;

JSON

{
  "hex": "#5888ee",
  "rgb": {
    "r": 88,
    "g": 136,
    "b": 238
  },
  "hsl": {
    "h": 220.8,
    "s": 81.522,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64211,
    "c": 0.16162,
    "h": 263.5
  },
  "luminance": 0.25856
}

Semantic roles & 50–950 ramp

primary

#5888EE

secondary

#EBDAB7

accent

#9908DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5888EE

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

Preview Lab → · Contrast checker → · Palette generator →