#4577BD#4577BD

#4577BD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.7% C 0.122 H 257.1°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4577BD
RGB	rgb(69, 119, 189)
HSL	hsl(215, 48%, 51%)
HSV	hsv(215, 63%, 74%)
CMYK	cmyk(63.5%, 37%, 0%, 25.9%)
CIE-LAB	lab(49.66, 5.37, -41.79)
CIE-LCH	lch(49.66, 42.13, 277.32°)
OKLab	oklab(56.73% -0.0272 -0.1186)
OKLCH	oklch(56.73% 0.122 257.1)
XYZ	xyz(18.2331, 18.1313, 50.6731)
Luminance	0.1813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577BD #BD8B45

analogous

#45B3BD #4577BD #4F45BD

triadic

#4577BD #BD4577 #77BD45

tetradic

#4577BD #BD45B3 #BD8B45 #45BD4F

square

#4577BD #BD45B3 #BD8B45 #45BD4F

split-complementary

#4577BD #BD4F45 #B3BD45

monochromatic

#243E64 #345B91 #4577BD #7298CD #9FB9DD

Accessibility & contrast

On white

4.54

#4577BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4577BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577BD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577BD	#FFFFFF	#000000	##000000
##4577BD	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CC0

Deuteranopia (green-blind)

#4871BC

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4577bd;
/* rgb */ color: rgb(69, 119, 189);
/* oklch */ color: oklch(56.7% 0.122 257.1);

Tailwind

colors: {
  custom: {
    50: '#849dd1',
    500: '#4577bd',
    950: '#000000',
  },
}

SCSS

$custom: #4577bd;
$custom-light: #849dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4577bd",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 189
  },
  "hsl": {
    "h": 215,
    "s": 47.619,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56729,
    "c": 0.12169,
    "h": 257.1
  },
  "luminance": 0.18133
}

Semantic roles & 50–950 ramp

primary

#4577BD

secondary

#CAB394

accent

#9F51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4577BD

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

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