#4577BE#4577BE

#4577BE is a mid, vivid blue. Relative luminance 0.182; OKLCH L 56.8% C 0.123 H 257.4°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4577BE
RGB	rgb(69, 119, 190)
HSL	hsl(215, 48%, 51%)
HSV	hsv(215, 64%, 75%)
CMYK	cmyk(63.7%, 37.4%, 0%, 25.5%)
CIE-LAB	lab(49.71, 5.72, -42.28)
CIE-LCH	lch(49.71, 42.67, 277.70°)
OKLab	oklab(56.79% -0.0269 -0.1201)
OKLCH	oklch(56.79% 0.123 257.4)
XYZ	xyz(18.3420, 18.1748, 51.2467)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577BE #BE8C45

analogous

#45B3BE #4577BE #4F45BE

triadic

#4577BE #BE4577 #77BE45

tetradic

#4577BE #BE45B3 #BE8C45 #45BE4F

square

#4577BE #BE45B3 #BE8C45 #45BE4F

split-complementary

#4577BE #BE4F45 #B3BE45

monochromatic

#233F65 #335B93 #4577BE #7298CE #A0B9DE

Accessibility & contrast

On white

4.53

#4577BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4577BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577BE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577BE	#FFFFFF	#000000	##000000
##4577BE	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587CC1

Deuteranopia (green-blind)

#4771BD

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4577be;
/* rgb */ color: rgb(69, 119, 190);
/* oklch */ color: oklch(56.8% 0.123 257.4);

Tailwind

colors: {
  custom: {
    50: '#849dd2',
    500: '#4577be',
    950: '#000000',
  },
}

SCSS

$custom: #4577be;
$custom-light: #849dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4577be",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 190
  },
  "hsl": {
    "h": 215.207,
    "s": 48.207,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56787,
    "c": 0.12305,
    "h": 257.4
  },
  "luminance": 0.18177
}

Semantic roles & 50–950 ramp

primary

#4577BE

secondary

#CAB495

accent

#A050D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4577BE

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

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