#3B57AF#3B57AF

#3B57AF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.4% C 0.144 H 267.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B57AF
RGB	rgb(59, 87, 175)
HSL	hsl(226, 50%, 46%)
HSV	hsv(226, 66%, 69%)
CMYK	cmyk(66.3%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(39.31, 18.86, -50.18)
CIE-LCH	lch(39.31, 53.61, 290.60°)
OKLab	oklab(48.37% -0.0062 -0.1439)
OKLCH	oklch(48.37% 0.144 267.5)
XYZ	xyz(12.9470, 10.8401, 41.9592)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B57AF #AF933B

analogous

#3B91AF #3B57AF #593BAF

triadic

#3B57AF #AF3B57 #57AF3B

tetradic

#3B57AF #AF3B91 #AF933B #3BAF59

square

#3B57AF #AF3B91 #AF933B #3BAF59

split-complementary

#3B57AF #AF593B #91AF3B

monochromatic

#1C2953 #2C4081 #3B57AF #5E78C9 #8C9FD8

Accessibility & contrast

On white

6.63

#3B57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3B57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B57AF

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B57AF	#FFFFFF	#000000	##FFFFFF
##3B57AF	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2662B2

Deuteranopia (green-blind)

#0158AD

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3b57af;
/* rgb */ color: rgb(59, 87, 175);
/* oklch */ color: oklch(48.4% 0.144 267.5);

Tailwind

colors: {
  custom: {
    50: '#7e86c7',
    500: '#3b57af',
    950: '#000000',
  },
}

SCSS

$custom: #3b57af;
$custom-light: #7e86c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b57af",
  "rgb": {
    "r": 59,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 225.517,
    "s": 49.573,
    "l": 45.882
  },
  "oklch": {
    "l": 0.48365,
    "c": 0.14401,
    "h": 267.5
  },
  "luminance": 0.10841
}

Semantic roles & 50–950 ramp

primary

#3B57AF

secondary

#C3B383

accent

#B84FD9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3B57AF

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

Preview Lab → · Contrast checker → · Palette generator →