#4580BC#4580BC

#4580BC is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.111 H 250.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4580BC
RGB	rgb(69, 128, 188)
HSL	hsl(210, 47%, 50%)
HSV	hsv(210, 63%, 74%)
CMYK	cmyk(63.3%, 31.9%, 0%, 26.3%)
CIE-LAB	lab(52.21, -0.40, -37.18)
CIE-LCH	lch(52.21, 37.19, 269.39°)
OKLab	oklab(58.71% -0.037 -0.1051)
OKLCH	oklch(58.71% 0.111 250.6)
XYZ	xyz(19.2472, 20.3325, 50.4774)
Luminance	0.2033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580BC #BC8145

analogous

#45BCBC #4580BC #4545BC

triadic

#4580BC #BC4580 #80BC45

tetradic

#4580BC #BC45BC #BC8145 #45BC45

square

#4580BC #BC45BC #BC8145 #45BC45

split-complementary

#4580BC #BC4545 #BCBC45

monochromatic

#244363 #346290 #4580BC #729FCC #9FBDDC

Accessibility & contrast

On white

4.14

#4580BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#4580BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580BC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580BC	#FFFFFF	#000000	##000000
##4580BC	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683BF

Deuteranopia (green-blind)

#5677BB

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4580bc;
/* rgb */ color: rgb(69, 128, 188);
/* oklch */ color: oklch(58.7% 0.111 250.6);

Tailwind

colors: {
  custom: {
    50: '#84a4d0',
    500: '#4580bc',
    950: '#000000',
  },
}

SCSS

$custom: #4580bc;
$custom-light: #84a4d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4580bc",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 188
  },
  "hsl": {
    "h": 210.252,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58711,
    "c": 0.1114,
    "h": 250.6
  },
  "luminance": 0.20334
}

Semantic roles & 50–950 ramp

primary

#4580BC

secondary

#C9AF94

accent

#9451D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4580BC

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

Preview Lab → · Contrast checker → · Palette generator →