#4457BF#4457BF

#4457BF is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.164 H 271.4°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4457BF
RGB	rgb(68, 87, 191)
HSL	hsl(231, 49%, 51%)
HSV	hsv(231, 64%, 75%)
CMYK	cmyk(64.4%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(40.91, 26.07, -56.96)
CIE-LCH	lch(40.91, 62.65, 294.59°)
OKLab	oklab(50.05% 0.0041 -0.1636)
OKLCH	oklch(50.05% 0.164 271.4)
XYZ	xyz(15.1929, 11.8056, 50.7582)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457BF #BFAC44

analogous

#4494BF #4457BF #6E44BF

triadic

#4457BF #BF4457 #57BF44

tetradic

#4457BF #BF4494 #BFAC44 #44BF6E

square

#4457BF #BF4494 #BFAC44 #44BF6E

split-complementary

#4457BF #BF6E44 #94BF44

monochromatic

#232D66 #324193 #4457BF #7280CF #9FA9DE

Accessibility & contrast

On white

6.25

#4457BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4457BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457BF

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457BF	#FFFFFF	#000000	##FFFFFF
##4457BF	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)

#0866C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4457bf;
/* rgb */ color: rgb(68, 87, 191);
/* oklch */ color: oklch(50.1% 0.164 271.4);

Tailwind

colors: {
  custom: {
    50: '#8586d3',
    500: '#4457bf',
    950: '#000000',
  },
}

SCSS

$custom: #4457bf;
$custom-light: #8586d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4457bf",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 230.732,
    "s": 49.004,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50053,
    "c": 0.16368,
    "h": 271.4
  },
  "luminance": 0.11807
}

Semantic roles & 50–950 ramp

primary

#4457BF

secondary

#CBC294

accent

#C34FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4457BF

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

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