#4588CB#4588CB

#4588CB is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.3% C 0.123 H 250.5°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4588CB
RGB	rgb(69, 136, 203)
HSL	hsl(210, 56%, 53%)
HSV	hsv(210, 66%, 80%)
CMYK	cmyk(66%, 33%, 0%, 20.4%)
CIE-LAB	lab(55.26, -0.00, -40.92)
CIE-LCH	lch(55.26, 40.92, 269.99°)
OKLab	oklab(61.34% -0.0411 -0.1159)
OKLCH	oklch(61.34% 0.123 250.5)
XYZ	xyz(22.0339, 23.1831, 59.8019)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4588CB #CB8845

analogous

#45CBCB #4588CB #4545CB

triadic

#4588CB #CB4588 #88CB45

tetradic

#4588CB #CB45CB #CB8845 #45CB45

square

#4588CB #CB45CB #CB8845 #45CB45

split-complementary

#4588CB #CB4545 #CBCB45

monochromatic

#214B75 #2E69A5 #4588CB #75A7D8 #A5C5E6

Accessibility & contrast

On white

3.73

#4588CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#4588CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4588CB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4588CB	#FFFFFF	#000000	##000000
##4588CB	1.00	3.73	5.64	5.64
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8BCE

Deuteranopia (green-blind)

#587FCA

Tritanopia (blue-blind)

#0098A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4588cb;
/* rgb */ color: rgb(69, 136, 203);
/* oklch */ color: oklch(61.3% 0.123 250.5);

Tailwind

colors: {
  custom: {
    50: '#86aadb',
    500: '#4588cb',
    950: '#000000',
  },
}

SCSS

$custom: #4588cb;
$custom-light: #86aadb;
$custom-dark: #000000;

JSON

{
  "hex": "#4588cb",
  "rgb": {
    "r": 69,
    "g": 136,
    "b": 203
  },
  "hsl": {
    "h": 210,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61343,
    "c": 0.12295,
    "h": 250.5
  },
  "luminance": 0.23185
}

Semantic roles & 50–950 ramp

primary

#4588CB

secondary

#D3B699

accent

#9448E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4588CB

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

Preview Lab → · Contrast checker → · Palette generator →