#4580BB#4580BB

#4580BB is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.110 H 250.2°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#4580BB
RGB	rgb(69, 128, 187)
HSL	hsl(210, 46%, 50%)
HSV	hsv(210, 63%, 73%)
CMYK	cmyk(63.1%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(52.16, -0.74, -36.69)
CIE-LCH	lch(52.16, 36.69, 268.85°)
OKLab	oklab(58.66% -0.0373 -0.1036)
OKLCH	oklch(58.66% 0.11 250.2)
XYZ	xyz(19.1398, 20.2896, 49.9117)
Luminance	0.2029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580BB #BB8045

analogous

#45BBBB #4580BB #4545BB

triadic

#4580BB #BB4580 #80BB45

tetradic

#4580BB #BB45BB #BB8045 #45BB45

square

#4580BB #BB45BB #BB8045 #45BB45

split-complementary

#4580BB #BB4545 #BBBB45

monochromatic

#244362 #34618F #4580BB #729FCB #9FBDDC

Accessibility & contrast

On white

4.15

#4580BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#4580BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580BB

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580BB	#FFFFFF	#000000	##000000
##4580BB	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BE

Deuteranopia (green-blind)

#5777BA

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4580bb;
/* rgb */ color: rgb(69, 128, 187);
/* oklch */ color: oklch(58.7% 0.110 250.2);

Tailwind

colors: {
  custom: {
    50: '#84a4cf',
    500: '#4580bb',
    950: '#000000',
  },
}

SCSS

$custom: #4580bb;
$custom-light: #84a4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4580bb",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 210,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58658,
    "c": 0.11014,
    "h": 250.2
  },
  "luminance": 0.20291
}

Semantic roles & 50–950 ramp

primary

#4580BB

secondary

#C8AE94

accent

#9452D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4580BB

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

Preview Lab → · Contrast checker → · Palette generator →