#4577BB#4577BB

#4577BB is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.6% C 0.119 H 256.5°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4577BB
RGB	rgb(69, 119, 187)
HSL	hsl(215, 46%, 50%)
HSV	hsv(215, 63%, 73%)
CMYK	cmyk(63.1%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.55, 4.68, -40.80)
CIE-LCH	lch(49.55, 41.07, 276.54°)
OKLab	oklab(56.61% -0.0277 -0.1157)
OKLCH	oklch(56.61% 0.119 256.5)
XYZ	xyz(18.0175, 18.0450, 49.5376)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577BB #BB8945

analogous

#45B2BB #4577BB #4E45BB

triadic

#4577BB #BB4577 #77BB45

tetradic

#4577BB #BB45B2 #BB8945 #45BB4E

square

#4577BB #BB45B2 #BB8945 #45BB4E

split-complementary

#4577BB #BB4E45 #B2BB45

monochromatic

#243E62 #345A8F #4577BB #7298CB #9FB9DC

Accessibility & contrast

On white

4.56

#4577BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4577BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577BB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577BB	#FFFFFF	#000000	##000000
##4577BB	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBE

Deuteranopia (green-blind)

#4971BA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4577bb;
/* rgb */ color: rgb(69, 119, 187);
/* oklch */ color: oklch(56.6% 0.119 256.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4577bb",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 214.576,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56614,
    "c": 0.119,
    "h": 256.5
  },
  "luminance": 0.18047
}

Semantic roles & 50–950 ramp

primary

#4577BB

secondary

#C8B294

accent

#9E52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4577BB

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

Preview Lab → · Contrast checker → · Palette generator →