#3B57AE#3B57AE

#3B57AE is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.143 H 267.4°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B57AE
RGB	rgb(59, 87, 174)
HSL	hsl(225, 49%, 46%)
HSV	hsv(225, 66%, 68%)
CMYK	cmyk(66.1%, 50%, 0%, 31.8%)
CIE-LAB	lab(39.24, 18.50, -49.70)
CIE-LCH	lch(39.24, 53.03, 290.42°)
OKLab	oklab(48.29% -0.0064 -0.1424)
OKLCH	oklch(48.29% 0.143 267.4)
XYZ	xyz(12.8492, 10.8010, 41.4438)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B57AE #AE923B

analogous

#3B90AE #3B57AE #583BAE

triadic

#3B57AE #AE3B57 #57AE3B

tetradic

#3B57AE #AE3B90 #AE923B #3BAE58

square

#3B57AE #AE3B90 #AE923B #3BAE58

split-complementary

#3B57AE #AE583B #90AE3B

monochromatic

#1C2953 #2C4080 #3B57AE #5E78C8 #8C9ED8

Accessibility & contrast

On white

6.64

#3B57AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3B57AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B57AE

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B57AE	#FFFFFF	#000000	##FFFFFF
##3B57AE	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2762B1

Deuteranopia (green-blind)

#0557AC

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3b57ae;
/* rgb */ color: rgb(59, 87, 174);
/* oklch */ color: oklch(48.3% 0.143 267.4);

Tailwind

colors: {
  custom: {
    50: '#7d86c7',
    500: '#3b57ae',
    950: '#000000',
  },
}

SCSS

$custom: #3b57ae;
$custom-light: #7d86c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b57ae",
  "rgb": {
    "r": 59,
    "g": 87,
    "b": 174
  },
  "hsl": {
    "h": 225.391,
    "s": 49.356,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48293,
    "c": 0.14259,
    "h": 267.4
  },
  "luminance": 0.10802
}

Semantic roles & 50–950 ramp

primary

#3B57AE

secondary

#C2B382

accent

#B74FD9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3B57AE

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

Preview Lab → · Contrast checker → · Palette generator →