#3E57AB#3E57AB

#3E57AB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.137 H 268.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3E57AB
RGB	rgb(62, 87, 171)
HSL	hsl(226, 47%, 46%)
HSV	hsv(226, 64%, 67%)
CMYK	cmyk(63.7%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(39.21, 17.95, -47.97)
CIE-LCH	lch(39.21, 51.22, 290.51°)
OKLab	oklab(48.25% -0.0038 -0.1373)
OKLCH	oklch(48.25% 0.137 268.4)
XYZ	xyz(12.7430, 10.7797, 39.9293)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57AB #AB923E

analogous

#3E8DAB #3E57AB #5C3EAB

triadic

#3E57AB #AB3E57 #57AB3E

tetradic

#3E57AB #AB3E8D #AB923E #3EAB5C

square

#3E57AB #AB3E8D #AB923E #3EAB5C

split-complementary

#3E57AB #AB5C3E #8DAB3E

monochromatic

#1D2951 #2E407E #3E57AB #6178C6 #8E9ED6

Accessibility & contrast

On white

6.65

#3E57AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3E57AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57AB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57AB	#FFFFFF	#000000	##FFFFFF
##3E57AB	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B62AE

Deuteranopia (green-blind)

#1458A9

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3e57ab;
/* rgb */ color: rgb(62, 87, 171);
/* oklch */ color: oklch(48.2% 0.137 268.4);

Tailwind

colors: {
  custom: {
    50: '#7e86c4',
    500: '#3e57ab',
    950: '#000000',
  },
}

SCSS

$custom: #3e57ab;
$custom-light: #7e86c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57ab",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 226.239,
    "s": 46.781,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48245,
    "c": 0.13736,
    "h": 268.4
  },
  "luminance": 0.10781
}

Semantic roles & 50–950 ramp

primary

#3E57AB

secondary

#C1B384

accent

#B851D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3E57AB

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

Preview Lab → · Contrast checker → · Palette generator →