#3E57CC#3E57CC

#3E57CC is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.183 H 269.6°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3E57CC
RGB	rgb(62, 87, 204)
HSL	hsl(229, 58%, 52%)
HSV	hsv(229, 70%, 80%)
CMYK	cmyk(69.6%, 57.4%, 0%, 20%)
CIE-LAB	lab(41.53, 29.76, -63.50)
CIE-LCH	lch(41.53, 70.13, 295.11°)
OKLab	oklab(50.73% -0.0014 -0.183)
OKLCH	oklch(50.73% 0.183 269.6)
XYZ	xyz(16.2902, 12.1985, 58.6111)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57CC #CCB33E

analogous

#3E9ECC #3E57CC #6C3ECC

triadic

#3E57CC #CC3E57 #57CC3E

tetradic

#3E57CC #CC3E9E #CCB33E #3ECC6C

square

#3E57CC #CC3E9E #CCB33E #3ECC6C

split-complementary

#3E57CC #CC6C3E #9ECC3E

monochromatic

#1E2D72 #2B40A2 #3E57CC #6E81D9 #9FABE6

Accessibility & contrast

On white

6.10

#3E57CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3E57CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57CC

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57CC	#FFFFFF	#000000	##FFFFFF
##3E57CC	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005CCA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3e57cc;
/* rgb */ color: rgb(62, 87, 204);
/* oklch */ color: oklch(50.7% 0.183 269.6);

Tailwind

colors: {
  custom: {
    50: '#8586dc',
    500: '#3e57cc',
    950: '#000000',
  },
}

SCSS

$custom: #3e57cc;
$custom-light: #8586dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57cc",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 229.437,
    "s": 58.197,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50733,
    "c": 0.18301,
    "h": 269.6
  },
  "luminance": 0.122
}

Semantic roles & 50–950 ramp

primary

#3E57CC

secondary

#D2C794

accent

#C646E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3E57CC

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

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