#4590DB#4590DB

#4590DB is a light, vivid cyan. Relative luminance 0.263; OKLCH L 64.0% C 0.135 H 250.8°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4590DB
RGB	rgb(69, 144, 219)
HSL	hsl(210, 68%, 56%)
HSV	hsv(210, 68%, 86%)
CMYK	cmyk(68.5%, 34.2%, 0%, 14.1%)
CIE-LAB	lab(58.34, 0.81, -45.06)
CIE-LCH	lch(58.34, 45.06, 271.02°)
OKLab	oklab(64.02% -0.0446 -0.1279)
OKLCH	oklch(64.02% 0.135 250.8)
XYZ	xyz(25.2089, 26.3235, 70.7565)
Luminance	0.2633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4590DB #DB9045

analogous

#45DBDB #4590DB #4545DB

triadic

#4590DB #DB4590 #90DB45

tetradic

#4590DB #DB45DB #DB9045 #45DB45

square

#4590DB #DB45DB #DB9045 #45DB45

split-complementary

#4590DB #DB4545 #DBDB45

monochromatic

#1B538B #2571BE #4590DB #78AFE5 #ACCDEF

Accessibility & contrast

On white

3.35

#4590DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#4590DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4590DB

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4590DB	#FFFFFF	#000000	##000000
##4590DB	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DE

Deuteranopia (green-blind)

#5986DA

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4590db;
/* rgb */ color: rgb(69, 144, 219);
/* oklch */ color: oklch(64.0% 0.135 250.8);

Tailwind

colors: {
  custom: {
    50: '#89b0e6',
    500: '#4590db',
    950: '#000000',
  },
}

SCSS

$custom: #4590db;
$custom-light: #89b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4590db",
  "rgb": {
    "r": 69,
    "g": 144,
    "b": 219
  },
  "hsl": {
    "h": 210,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.64019,
    "c": 0.13542,
    "h": 250.8
  },
  "luminance": 0.26326
}

Semantic roles & 50–950 ramp

primary

#4590DB

secondary

#DDBE9F

accent

#943DEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4590DB

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

Preview Lab → · Contrast checker → · Palette generator →