#4577CD#4577CD

#4577CD is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.7% C 0.143 H 260.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4577CD
RGB	rgb(69, 119, 205)
HSL	hsl(218, 58%, 54%)
HSV	hsv(218, 66%, 80%)
CMYK	cmyk(66.3%, 42%, 0%, 19.6%)
CIE-LAB	lab(50.53, 10.96, -49.56)
CIE-LCH	lch(50.53, 50.76, 282.47°)
OKLab	oklab(57.69% -0.0236 -0.1414)
OKLCH	oklch(57.69% 0.143 260.5)
XYZ	xyz(20.0666, 18.8647, 60.3295)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577CD #CD9B45

analogous

#45BBCD #4577CD #5745CD

triadic

#4577CD #CD4577 #77CD45

tetradic

#4577CD #CD45BB #CD9B45 #45CD57

square

#4577CD #CD45BB #CD9B45 #45CD57

split-complementary

#4577CD #CD5745 #BBCD45

monochromatic

#204077 #2D5AA8 #4577CD #759ADA #A5BEE7

Accessibility & contrast

On white

4.40

#4577CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4577CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577CD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577CD	#FFFFFF	#000000	##000000
##4577CD	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FD0

Deuteranopia (green-blind)

#3972CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4577cd;
/* rgb */ color: rgb(69, 119, 205);
/* oklch */ color: oklch(57.7% 0.143 260.5);

Tailwind

colors: {
  custom: {
    50: '#869ddd',
    500: '#4577cd',
    950: '#000000',
  },
}

SCSS

$custom: #4577cd;
$custom-light: #869ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#4577cd",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 205
  },
  "hsl": {
    "h": 217.941,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.57691,
    "c": 0.14336,
    "h": 260.5
  },
  "luminance": 0.18867
}

Semantic roles & 50–950 ramp

primary

#4577CD

secondary

#D4BF9A

accent

#A847E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4577CD

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

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