#4457BB#4457BB

#4457BB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.8% C 0.158 H 271.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#4457BB
RGB	rgb(68, 87, 187)
HSL	hsl(230, 47%, 50%)
HSV	hsv(230, 64%, 73%)
CMYK	cmyk(63.6%, 53.5%, 0%, 26.7%)
CIE-LAB	lab(40.63, 24.67, -55.08)
CIE-LCH	lch(40.63, 60.36, 294.13°)
OKLab	oklab(49.75% 0.0039 -0.1581)
OKLCH	oklch(49.75% 0.158 271.4)
XYZ	xyz(14.7587, 11.6319, 48.4715)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457BB #BBA844

analogous

#4493BB #4457BB #6C44BB

triadic

#4457BB #BB4457 #57BB44

tetradic

#4457BB #BB4493 #BBA844 #44BB6C

square

#4457BB #BB4493 #BBA844 #44BB6C

split-complementary

#4457BB #BB6C44 #93BB44

monochromatic

#232D61 #34428E #4457BB #717FCB #9EA8DC

Accessibility & contrast

On white

6.31

#4457BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#4457BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457BB

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457BB	#FFFFFF	#000000	##FFFFFF
##4457BB	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1565BF

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4457bb;
/* rgb */ color: rgb(68, 87, 187);
/* oklch */ color: oklch(49.8% 0.158 271.4);

Tailwind

colors: {
  custom: {
    50: '#8486d0',
    500: '#4457bb',
    950: '#000000',
  },
}

SCSS

$custom: #4457bb;
$custom-light: #8486d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4457bb",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 187
  },
  "hsl": {
    "h": 230.42,
    "s": 46.667,
    "l": 50
  },
  "oklch": {
    "l": 0.49753,
    "c": 0.15815,
    "h": 271.4
  },
  "luminance": 0.11633
}

Semantic roles & 50–950 ramp

primary

#4457BB

secondary

#C8C093

accent

#C151D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4457BB

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

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