#3A57BA#3A57BA

#3A57BA is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.160 H 267.8°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3A57BA
RGB	rgb(58, 87, 186)
HSL	hsl(226, 52%, 48%)
HSV	hsv(226, 69%, 73%)
CMYK	cmyk(68.8%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(40.01, 22.70, -55.51)
CIE-LCH	lch(40.01, 59.97, 292.24°)
OKLab	oklab(49.13% -0.0061 -0.1596)
OKLCH	oklch(49.13% 0.16 267.8)
XYZ	xyz(14.0130, 11.2597, 47.8797)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57BA #BA9D3A

analogous

#3A97BA #3A57BA #5D3ABA

triadic

#3A57BA #BA3A57 #57BA3A

tetradic

#3A57BA #BA3A97 #BA9D3A #3ABA5D

square

#3A57BA #BA3A97 #BA9D3A #3ABA5D

split-complementary

#3A57BA #BA5D3A #97BA3A

monochromatic

#1D2B5D #2B418B #3A57BA #637BCE #92A3DD

Accessibility & contrast

On white

6.46

#3A57BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3A57BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57BA

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57BA	#FFFFFF	#000000	##FFFFFF
##3A57BA	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1264BD

Deuteranopia (green-blind)

#0059B8

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3a57ba;
/* rgb */ color: rgb(58, 87, 186);
/* oklch */ color: oklch(49.1% 0.160 267.8);

Tailwind

colors: {
  custom: {
    50: '#7f86cf',
    500: '#3a57ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a57ba;
$custom-light: #7f86cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57ba",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 226.406,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49126,
    "c": 0.1597,
    "h": 267.8
  },
  "luminance": 0.11261
}

Semantic roles & 50–950 ramp

primary

#3A57BA

secondary

#C8B988

accent

#BB4CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3A57BA

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

Preview Lab → · Contrast checker → · Palette generator →