#4557BE#4557BE

#4557BE is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.162 H 271.8°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4557BE
RGB	rgb(69, 87, 190)
HSL	hsl(231, 48%, 51%)
HSV	hsv(231, 64%, 75%)
CMYK	cmyk(63.7%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(40.89, 25.89, -56.40)
CIE-LCH	lch(40.89, 62.06, 294.66°)
OKLab	oklab(50.04% 0.0051 -0.1619)
OKLCH	oklch(50.04% 0.162 271.8)
XYZ	xyz(15.1536, 11.7980, 50.1839)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557BE #BEAC45

analogous

#4594BE #4557BE #6F45BE

triadic

#4557BE #BE4557 #57BE45

tetradic

#4557BE #BE4594 #BEAC45 #45BE6F

square

#4557BE #BE4594 #BEAC45 #45BE6F

split-complementary

#4557BE #BE6F45 #94BE45

monochromatic

#232D65 #334193 #4557BE #7280CE #A0A9DE

Accessibility & contrast

On white

6.25

#4557BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4557BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557BE

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557BE	#FFFFFF	#000000	##FFFFFF
##4557BE	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D66C2

Deuteranopia (green-blind)

#005BBC

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4557be;
/* rgb */ color: rgb(69, 87, 190);
/* oklch */ color: oklch(50.0% 0.162 271.8);

Tailwind

colors: {
  custom: {
    50: '#8586d2',
    500: '#4557be',
    950: '#000000',
  },
}

SCSS

$custom: #4557be;
$custom-light: #8586d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4557be",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 231.074,
    "s": 48.207,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50037,
    "c": 0.16202,
    "h": 271.8
  },
  "luminance": 0.11799
}

Semantic roles & 50–950 ramp

primary

#4557BE

secondary

#CAC295

accent

#C450D8

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4557BE

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

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