#4590DD#4590DD

#4590DD is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.1% C 0.138 H 251.3°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4590DD
RGB	rgb(69, 144, 221)
HSL	hsl(210, 69%, 57%)
HSV	hsv(210, 69%, 87%)
CMYK	cmyk(68.8%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.44, 1.50, -46.02)
CIE-LCH	lch(58.44, 46.04, 271.86°)
OKLab	oklab(64.13% -0.0441 -0.1307)
OKLCH	oklch(64.13% 0.138 251.3)
XYZ	xyz(25.4738, 26.4295, 72.1515)
Luminance	0.2643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4590DD #DD9245

analogous

#45DCDD #4590DD #4645DD

triadic

#4590DD #DD4590 #90DD45

tetradic

#4590DD #DD45DC #DD9245 #45DD46

square

#4590DD #DD45DC #DD9245 #45DD46

split-complementary

#4590DD #DD4645 #DCDD45

monochromatic

#1A538E #2371C1 #4590DD #79AFE6 #ACCEF0

Accessibility & contrast

On white

3.34

#4590DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#4590DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4590DD

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4590DD	#FFFFFF	#000000	##000000
##4590DD	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94E0

Deuteranopia (green-blind)

#5886DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4590dd;
/* rgb */ color: rgb(69, 144, 221);
/* oklch */ color: oklch(64.1% 0.138 251.3);

Tailwind

colors: {
  custom: {
    50: '#89b0e8',
    500: '#4590dd',
    950: '#000000',
  },
}

SCSS

$custom: #4590dd;
$custom-light: #89b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4590dd",
  "rgb": {
    "r": 69,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 210.395,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.6413,
    "c": 0.1379,
    "h": 251.3
  },
  "luminance": 0.26432
}

Semantic roles & 50–950 ramp

primary

#4590DD

secondary

#DEBFA0

accent

#953CEC

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4590DD

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

Preview Lab → · Contrast checker → · Palette generator →