#4580B1#4580B1

#4580B1 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.1% C 0.098 H 245.6°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4580B1
RGB	rgb(69, 128, 177)
HSL	hsl(207, 44%, 48%)
HSV	hsv(207, 61%, 69%)
CMYK	cmyk(61%, 27.7%, 0%, 30.6%)
CIE-LAB	lab(51.70, -4.10, -31.67)
CIE-LCH	lch(51.70, 31.93, 262.62°)
OKLab	oklab(58.14% -0.0403 -0.0891)
OKLCH	oklch(58.14% 0.098 245.6)
XYZ	xyz(18.1063, 19.8762, 44.4687)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580B1 #B17645

analogous

#45B1AC #4580B1 #454AB1

triadic

#4580B1 #B14580 #80B145

tetradic

#4580B1 #AC45B1 #B17645 #4AB145

square

#4580B1 #AC45B1 #B17645 #4AB145

split-complementary

#4580B1 #B1454A #B1AC45

monochromatic

#234059 #346085 #4580B1 #6D9EC6 #99BBD7

Accessibility & contrast

On white

4.22

#4580B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#4580B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580B1

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580B1	#FFFFFF	#000000	##000000
##4580B1	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B81B3

Deuteranopia (green-blind)

#5C76B0

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4580b1;
/* rgb */ color: rgb(69, 128, 177);
/* oklch */ color: oklch(58.1% 0.098 245.6);

Tailwind

colors: {
  custom: {
    50: '#82a4c8',
    500: '#4580b1',
    950: '#000000',
  },
}

SCSS

$custom: #4580b1;
$custom-light: #82a4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4580b1",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 177
  },
  "hsl": {
    "h": 207.222,
    "s": 43.902,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58138,
    "c": 0.09778,
    "h": 245.6
  },
  "luminance": 0.19878
}

Semantic roles & 50–950 ramp

primary

#4580B1

secondary

#C3A68E

accent

#8E54D4

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4580B1

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

Preview Lab → · Contrast checker → · Palette generator →