#4577CE#4577CE

#4577CE is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.145 H 260.7°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4577CE
RGB	rgb(69, 119, 206)
HSL	hsl(218, 58%, 54%)
HSV	hsv(218, 67%, 81%)
CMYK	cmyk(66.5%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(50.59, 11.32, -50.04)
CIE-LCH	lch(50.59, 51.31, 282.74°)
OKLab	oklab(57.75% -0.0234 -0.1428)
OKLCH	oklch(57.75% 0.145 260.7)
XYZ	xyz(20.1877, 18.9131, 60.9672)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577CE #CE9C45

analogous

#45BCCE #4577CE #5845CE

triadic

#4577CE #CE4577 #77CE45

tetradic

#4577CE #CE45BC #CE9C45 #45CE58

square

#4577CE #CE45BC #CE9C45 #45CE58

split-complementary

#4577CE #CE5845 #BCCE45

monochromatic

#204079 #2D5AA9 #4577CE #759ADB #A6BEE8

Accessibility & contrast

On white

4.39

#4577CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4577CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577CE

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577CE	#FFFFFF	#000000	##000000
##4577CE	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7FD1

Deuteranopia (green-blind)

#3873CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4577ce;
/* rgb */ color: rgb(69, 119, 206);
/* oklch */ color: oklch(57.8% 0.145 260.7);

Tailwind

colors: {
  custom: {
    50: '#879ddd',
    500: '#4577ce',
    950: '#000000',
  },
}

SCSS

$custom: #4577ce;
$custom-light: #879ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#4577ce",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 218.102,
    "s": 58.298,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57753,
    "c": 0.14471,
    "h": 260.7
  },
  "luminance": 0.18915
}

Semantic roles & 50–950 ramp

primary

#4577CE

secondary

#D5BF9A

accent

#A946E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4577CE

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

Preview Lab → · Contrast checker → · Palette generator →