#4581BB#4581BB

#4581BB is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.9% C 0.109 H 249.5°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4581BB
RGB	rgb(69, 129, 187)
HSL	hsl(209, 46%, 50%)
HSV	hsv(209, 63%, 73%)
CMYK	cmyk(63.1%, 31%, 0%, 26.7%)
CIE-LAB	lab(52.46, -1.33, -36.23)
CIE-LCH	lch(52.46, 36.25, 267.90°)
OKLab	oklab(58.89% -0.0383 -0.1023)
OKLCH	oklch(58.89% 0.109 249.5)
XYZ	xyz(19.2708, 20.5517, 49.9554)
Luminance	0.2055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4581BB #BB7F45

analogous

#45BBBA #4581BB #4546BB

triadic

#4581BB #BB4581 #81BB45

tetradic

#4581BB #BA45BB #BB7F45 #46BB45

square

#4581BB #BA45BB #BB7F45 #46BB45

split-complementary

#4581BB #BB4546 #BBBA45

monochromatic

#244362 #34628F #4581BB #729FCB #9FBEDC

Accessibility & contrast

On white

4.11

#4581BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4581BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4581BB

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4581BB	#FFFFFF	#000000	##000000
##4581BB	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BE

Deuteranopia (green-blind)

#5878BA

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4581bb;
/* rgb */ color: rgb(69, 129, 187);
/* oklch */ color: oklch(58.9% 0.109 249.5);

Tailwind

colors: {
  custom: {
    50: '#84a5cf',
    500: '#4581bb',
    950: '#000000',
  },
}

SCSS

$custom: #4581bb;
$custom-light: #84a5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4581bb",
  "rgb": {
    "r": 69,
    "g": 129,
    "b": 187
  },
  "hsl": {
    "h": 209.492,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58888,
    "c": 0.10924,
    "h": 249.5
  },
  "luminance": 0.20554
}

Semantic roles & 50–950 ramp

primary

#4581BB

secondary

#C8AD94

accent

#9352D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4581BB

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

Preview Lab → · Contrast checker → · Palette generator →