#3A458F#3A458F

#3A458F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.2% C 0.122 H 273.7°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A458F
RGB	rgb(58, 69, 143)
HSL	hsl(232, 42%, 39%)
HSV	hsv(232, 59%, 56%)
CMYK	cmyk(59.4%, 51.7%, 0%, 43.9%)
CIE-LAB	lab(32.12, 19.03, -42.52)
CIE-LCH	lch(32.12, 46.59, 294.12°)
OKLab	oklab(42.21% 0.0078 -0.1216)
OKLCH	oklch(42.21% 0.122 273.7)
XYZ	xyz(8.8293, 7.1383, 26.8938)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A458F #8F843A

analogous

#3A708F #3A458F #5A3A8F

triadic

#3A458F #8F3A45 #458F3A

tetradic

#3A458F #8F3A70 #8F843A #3A8F5A

square

#3A458F #8F3A70 #8F843A #3A8F5A

split-complementary

#3A458F #8F5A3A #708F3A

monochromatic

#171B38 #283063 #3A458F #4F5CB7 #7A84C9

Accessibility & contrast

On white

8.65

#3A458F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3A458F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A458F

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A458F	#FFFFFF	#000000	##FFFFFF
##3A458F	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4F92

Deuteranopia (green-blind)

#0D488D

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a458f;
/* rgb */ color: rgb(58, 69, 143);
/* oklch */ color: oklch(42.2% 0.122 273.7);

Tailwind

colors: {
  custom: {
    50: '#7878b0',
    500: '#3a458f',
    950: '#000000',
  },
}

SCSS

$custom: #3a458f;
$custom-light: #7878b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a458f",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 143
  },
  "hsl": {
    "h": 232.235,
    "s": 42.289,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42209,
    "c": 0.12185,
    "h": 273.7
  },
  "luminance": 0.07139
}

Semantic roles & 50–950 ramp

primary

#3A458F

secondary

#B3AA72

accent

#C256D2

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3A458F

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

Preview Lab → · Contrast checker → · Palette generator →