#3E57BA#3E57BA

#3E57BA is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.3% C 0.159 H 269.2°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3E57BA
RGB	rgb(62, 87, 186)
HSL	hsl(228, 50%, 49%)
HSV	hsv(228, 67%, 73%)
CMYK	cmyk(66.7%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(40.22, 23.32, -55.17)
CIE-LCH	lch(40.22, 59.89, 292.91°)
OKLab	oklab(49.34% -0.0023 -0.1585)
OKLCH	oklch(49.34% 0.159 269.2)
XYZ	xyz(14.2547, 11.3844, 47.8910)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57BA #BAA13E

analogous

#3E95BA #3E57BA #633EBA

triadic

#3E57BA #BA3E57 #57BA3E

tetradic

#3E57BA #BA3E95 #BAA13E #3EBA63

square

#3E57BA #BA3E95 #BAA13E #3EBA63

split-complementary

#3E57BA #BA633E #95BA3E

monochromatic

#1F2C5E #2F428C #3E57BA #687DCD #96A4DC

Accessibility & contrast

On white

6.41

#3E57BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3E57BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57BA

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57BA	#FFFFFF	#000000	##FFFFFF
##3E57BA	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1465BD

Deuteranopia (green-blind)

#0059B8

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3e57ba;
/* rgb */ color: rgb(62, 87, 186);
/* oklch */ color: oklch(49.3% 0.159 269.2);

Tailwind

colors: {
  custom: {
    50: '#8186cf',
    500: '#3e57ba',
    950: '#000000',
  },
}

SCSS

$custom: #3e57ba;
$custom-light: #8186cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57ba",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 227.903,
    "s": 50,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49337,
    "c": 0.1585,
    "h": 269.2
  },
  "luminance": 0.11386
}

Semantic roles & 50–950 ramp

primary

#3E57BA

secondary

#C8BC8C

accent

#BD4EDA

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3E57BA

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

Preview Lab → · Contrast checker → · Palette generator →