#4557CF#4557CF

#4557CF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.185 H 271.7°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4557CF
RGB	rgb(69, 87, 207)
HSL	hsl(232, 59%, 54%)
HSV	hsv(232, 67%, 81%)
CMYK	cmyk(66.7%, 58%, 0%, 18.8%)
CIE-LAB	lab(42.13, 31.81, -64.24)
CIE-LCH	lch(42.13, 71.69, 296.35°)
OKLab	oklab(51.35% 0.0056 -0.185)
OKLCH	oklch(51.35% 0.185 271.7)
XYZ	xyz(17.1211, 12.5850, 60.5463)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557CF #CFBD45

analogous

#459CCF #4557CF #7845CF

triadic

#4557CF #CF4557 #57CF45

tetradic

#4557CF #CF459C #CFBD45 #45CF78

square

#4557CF #CF459C #CFBD45 #45CF78

split-complementary

#4557CF #CF7845 #9CCF45

monochromatic

#202B7A #2C3DAB #4557CF #7683DC #A6AFE8

Accessibility & contrast

On white

5.97

#4557CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4557CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557CF

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557CF	#FFFFFF	#000000	##FFFFFF
##4557CF	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4557cf;
/* rgb */ color: rgb(69, 87, 207);
/* oklch */ color: oklch(51.4% 0.185 271.7);

Tailwind

colors: {
  custom: {
    50: '#8886df',
    500: '#4557cf',
    950: '#000000',
  },
}

SCSS

$custom: #4557cf;
$custom-light: #8886df;
$custom-dark: #000000;

JSON

{
  "hex": "#4557cf",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 232.174,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51353,
    "c": 0.18509,
    "h": 271.7
  },
  "luminance": 0.12587
}

Semantic roles & 50–950 ramp

primary

#4557CF

secondary

#D5CE9B

accent

#CE46E2

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4557CF

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

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