#4457BC#4457BC

#4457BC is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.8% C 0.160 H 271.4°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4457BC
RGB	rgb(68, 87, 188)
HSL	hsl(231, 47%, 50%)
HSV	hsv(231, 64%, 74%)
CMYK	cmyk(63.8%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(40.69, 25.02, -55.55)
CIE-LCH	lch(40.69, 60.93, 294.25°)
OKLab	oklab(49.83% 0.0039 -0.1595)
OKLCH	oklch(49.83% 0.16 271.4)
XYZ	xyz(14.8661, 11.6749, 49.0373)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457BC #BCA944

analogous

#4493BC #4457BC #6D44BC

triadic

#4457BC #BC4457 #57BC44

tetradic

#4457BC #BC4493 #BCA944 #44BC6D

square

#4457BC #BC4493 #BCA944 #44BC6D

split-complementary

#4457BC #BC6D44 #93BC44

monochromatic

#232D62 #33428F #4457BC #717FCC #9EA8DC

Accessibility & contrast

On white

6.30

#4457BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4457BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457BC

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457BC	#FFFFFF	#000000	##FFFFFF
##4457BC	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1265C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4457bc;
/* rgb */ color: rgb(68, 87, 188);
/* oklch */ color: oklch(49.8% 0.160 271.4);

Tailwind

colors: {
  custom: {
    50: '#8486d1',
    500: '#4457bc',
    950: '#000000',
  },
}

SCSS

$custom: #4457bc;
$custom-light: #8486d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4457bc",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 230.5,
    "s": 47.244,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49828,
    "c": 0.15953,
    "h": 271.4
  },
  "luminance": 0.11676
}

Semantic roles & 50–950 ramp

primary

#4457BC

secondary

#C9C093

accent

#C251D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4457BC

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

Preview Lab → · Contrast checker → · Palette generator →