#4457E0#4457E0

#4457E0 is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 52.7% C 0.208 H 271.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4457E0
RGB	rgb(68, 87, 224)
HSL	hsl(233, 72%, 57%)
HSV	hsv(233, 70%, 88%)
CMYK	cmyk(69.6%, 61.2%, 0%, 12.2%)
CIE-LAB	lab(43.40, 37.57, -71.90)
CIE-LCH	lch(43.40, 81.12, 297.59°)
OKLab	oklab(52.69% 0.0045 -0.2075)
OKLCH	oklch(52.69% 0.208 271.2)
XYZ	xyz(19.2421, 13.4253, 72.0838)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457E0 #E0CD44

analogous

#44A5E0 #4457E0 #7F44E0

triadic

#4457E0 #E04457 #57E044

tetradic

#4457E0 #E044A5 #E0CD44 #44E07F

square

#4457E0 #E044A5 #E0CD44 #44E07F

split-complementary

#4457E0 #E07F44 #A5E044

monochromatic

#182791 #2135C6 #4457E0 #7886E9 #ADB5F1

Accessibility & contrast

On white

5.70

#4457E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#4457E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457E0

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457E0	#FFFFFF	#000000	##FFFFFF
##4457E0	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE4

Deuteranopia (green-blind)

#005FDD

Tritanopia (blue-blind)

#007A93

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4457e0;
/* rgb */ color: rgb(68, 87, 224);
/* oklch */ color: oklch(52.7% 0.208 271.2);

Tailwind

colors: {
  custom: {
    50: '#8b86eb',
    500: '#4457e0',
    950: '#000000',
  },
}

SCSS

$custom: #4457e0;
$custom-light: #8b86eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4457e0",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 224
  },
  "hsl": {
    "h": 232.692,
    "s": 71.56,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52689,
    "c": 0.20758,
    "h": 271.2
  },
  "luminance": 0.13427
}

Semantic roles & 50–950 ramp

primary

#4457E0

secondary

#E0D8A0

accent

#D83AEE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4457E0

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

Preview Lab → · Contrast checker → · Palette generator →