#4574DB#4574DB

#4574DB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.0% C 0.166 H 263.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4574DB
RGB	rgb(69, 116, 219)
HSL	hsl(221, 68%, 56%)
HSV	hsv(221, 68%, 86%)
CMYK	cmyk(68.5%, 47%, 0%, 14.1%)
CIE-LAB	lab(50.53, 17.78, -57.50)
CIE-LCH	lch(50.53, 60.19, 287.19°)
OKLab	oklab(57.96% -0.0184 -0.1648)
OKLCH	oklch(57.96% 0.166 263.6)
XYZ	xyz(21.4813, 18.8683, 69.5140)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4574DB #DBAC45

analogous

#45BFDB #4574DB #6145DB

triadic

#4574DB #DB4574 #74DB45

tetradic

#4574DB #DB45BF #DBAC45 #45DB61

square

#4574DB #DB45BF #DBAC45 #45DB61

split-complementary

#4574DB #DB6145 #BFDB45

monochromatic

#1B3E8B #2555BE #4574DB #789AE5 #ACC1EF

Accessibility & contrast

On white

4.40

#4574DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4574DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4574DB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4574DB	#FFFFFF	#000000	##000000
##4574DB	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)

#3E80DF

Deuteranopia (green-blind)

#1B72D9

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4574db;
/* rgb */ color: rgb(69, 116, 219);
/* oklch */ color: oklch(58.0% 0.166 263.6);

Tailwind

colors: {
  custom: {
    50: '#899be7',
    500: '#4574db',
    950: '#000000',
  },
}

SCSS

$custom: #4574db;
$custom-light: #899be7;
$custom-dark: #000000;

JSON

{
  "hex": "#4574db",
  "rgb": {
    "r": 69,
    "g": 116,
    "b": 219
  },
  "hsl": {
    "h": 221.2,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57962,
    "c": 0.16581,
    "h": 263.6
  },
  "luminance": 0.1887
}

Semantic roles & 50–950 ramp

primary

#4574DB

secondary

#DDC99F

accent

#B43DEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4574DB

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

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