#4557BF#4557BF

#4557BF is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.163 H 271.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4557BF
RGB	rgb(69, 87, 191)
HSL	hsl(231, 49%, 51%)
HSV	hsv(231, 64%, 75%)
CMYK	cmyk(63.9%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(40.96, 26.24, -56.87)
CIE-LCH	lch(40.96, 62.63, 294.77°)
OKLab	oklab(50.11% 0.0052 -0.1633)
OKLCH	oklch(50.11% 0.163 271.8)
XYZ	xyz(15.2633, 11.8419, 50.7615)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557BF #BFAD45

analogous

#4594BF #4557BF #7045BF

triadic

#4557BF #BF4557 #57BF45

tetradic

#4557BF #BF4594 #BFAD45 #45BF70

square

#4557BF #BF4594 #BFAD45 #45BF70

split-complementary

#4557BF #BF7045 #94BF45

monochromatic

#232D66 #334194 #4557BF #7380CF #A0A9DE

Accessibility & contrast

On white

6.23

#4557BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4557BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557BF

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557BF	#FFFFFF	#000000	##FFFFFF
##4557BF	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0966C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4557bf;
/* rgb */ color: rgb(69, 87, 191);
/* oklch */ color: oklch(50.1% 0.163 271.8);

Tailwind

colors: {
  custom: {
    50: '#8586d3',
    500: '#4557bf',
    950: '#000000',
  },
}

SCSS

$custom: #4557bf;
$custom-light: #8586d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4557bf",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 231.148,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50112,
    "c": 0.1634,
    "h": 271.8
  },
  "luminance": 0.11843
}

Semantic roles & 50–950 ramp

primary

#4557BF

secondary

#CBC395

accent

#C44FD8

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4557BF

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

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