#4577BC#4577BC

#4577BC is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.120 H 256.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4577BC
RGB	rgb(69, 119, 188)
HSL	hsl(215, 47%, 50%)
HSV	hsv(215, 63%, 74%)
CMYK	cmyk(63.3%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.60, 5.02, -41.30)
CIE-LCH	lch(49.60, 41.60, 276.94°)
OKLab	oklab(56.67% -0.0274 -0.1172)
OKLCH	oklch(56.67% 0.12 256.8)
XYZ	xyz(18.1249, 18.0880, 50.1034)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577BC #BC8A45

analogous

#45B3BC #4577BC #4E45BC

triadic

#4577BC #BC4577 #77BC45

tetradic

#4577BC #BC45B3 #BC8A45 #45BC4E

square

#4577BC #BC45B3 #BC8A45 #45BC4E

split-complementary

#4577BC #BC4E45 #B3BC45

monochromatic

#243E63 #345B90 #4577BC #7298CC #9FB9DC

Accessibility & contrast

On white

4.55

#4577BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4577BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577BC

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577BC	#FFFFFF	#000000	##000000
##4577BC	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBF

Deuteranopia (green-blind)

#4971BB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4577bc;
/* rgb */ color: rgb(69, 119, 188);
/* oklch */ color: oklch(56.7% 0.120 256.8);

Tailwind

colors: {
  custom: {
    50: '#849dd0',
    500: '#4577bc',
    950: '#000000',
  },
}

SCSS

$custom: #4577bc;
$custom-light: #849dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4577bc",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 214.79,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56671,
    "c": 0.12035,
    "h": 256.8
  },
  "luminance": 0.1809
}

Semantic roles & 50–950 ramp

primary

#4577BC

secondary

#C9B394

accent

#9F51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4577BC

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

Preview Lab → · Contrast checker → · Palette generator →