#3A57AF#3A57AF

#3A57AF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.144 H 267.1°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3A57AF
RGB	rgb(58, 87, 175)
HSL	hsl(225, 50%, 46%)
HSV	hsv(225, 67%, 69%)
CMYK	cmyk(66.9%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(39.26, 18.69, -50.26)
CIE-LCH	lch(39.26, 53.63, 290.40°)
OKLab	oklab(48.31% -0.0072 -0.1441)
OKLCH	oklch(48.31% 0.144 267.1)
XYZ	xyz(12.8883, 10.8099, 41.9564)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A57AF #AF923A

analogous

#3A91AF #3A57AF #573AAF

triadic

#3A57AF #AF3A57 #57AF3A

tetradic

#3A57AF #AF3A91 #AF923A #3AAF57

square

#3A57AF #AF3A91 #AF923A #3AAF57

split-complementary

#3A57AF #AF573A #91AF3A

monochromatic

#1C2953 #2B4081 #3A57AF #5D78C9 #8B9ED9

Accessibility & contrast

On white

6.64

#3A57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3A57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A57AF

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A57AF	#FFFFFF	#000000	##FFFFFF
##3A57AF	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)

#2562B2

Deuteranopia (green-blind)

#0057AD

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3a57af;
/* rgb */ color: rgb(58, 87, 175);
/* oklch */ color: oklch(48.3% 0.144 267.1);

Tailwind

colors: {
  custom: {
    50: '#7d85c7',
    500: '#3a57af',
    950: '#000000',
  },
}

SCSS

$custom: #3a57af;
$custom-light: #7d85c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a57af",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 225.128,
    "s": 50.215,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48312,
    "c": 0.14432,
    "h": 267.1
  },
  "luminance": 0.10811
}

Semantic roles & 50–950 ramp

primary

#3A57AF

secondary

#C3B382

accent

#B74EDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3A57AF

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

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