#4557B7#4557B7

#4557B7 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.152 H 271.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4557B7
RGB	rgb(69, 87, 183)
HSL	hsl(231, 45%, 49%)
HSV	hsv(231, 62%, 72%)
CMYK	cmyk(62.3%, 52.5%, 0%, 28.2%)
CIE-LAB	lab(40.41, 23.45, -53.09)
CIE-LCH	lch(40.41, 58.03, 293.83°)
OKLab	oklab(49.52% 0.0046 -0.1522)
OKLCH	oklch(49.52% 0.152 271.7)
XYZ	xyz(14.4068, 11.4993, 46.2509)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557B7 #B7A545

analogous

#4590B7 #4557B7 #6C45B7

triadic

#4557B7 #B74557 #57B745

tetradic

#4557B7 #B74590 #B7A545 #45B76C

square

#4557B7 #B74590 #B7A545 #45B76C

split-complementary

#4557B7 #B76C45 #90B745

monochromatic

#232D5E #34428B #4557B7 #707EC9 #9DA6DA

Accessibility & contrast

On white

6.36

#4557B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4557B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557B7

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557B7	#FFFFFF	#000000	##FFFFFF
##4557B7	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D64BA

Deuteranopia (green-blind)

#005AB5

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4557b7;
/* rgb */ color: rgb(69, 87, 183);
/* oklch */ color: oklch(49.5% 0.152 271.7);

Tailwind

colors: {
  custom: {
    50: '#8486cd',
    500: '#4557b7',
    950: '#000000',
  },
}

SCSS

$custom: #4557b7;
$custom-light: #8486cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4557b7",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 183
  },
  "hsl": {
    "h": 230.526,
    "s": 45.238,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49519,
    "c": 0.15227,
    "h": 271.7
  },
  "luminance": 0.115
}

Semantic roles & 50–950 ramp

primary

#4557B7

secondary

#C6BE92

accent

#C053D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4557B7

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

Preview Lab → · Contrast checker → · Palette generator →