#3A438D#3A438D

#3A438D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.122 H 274.6°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#3A438D
RGB	rgb(58, 67, 141)
HSL	hsl(233, 42%, 39%)
HSV	hsv(233, 59%, 55%)
CMYK	cmyk(58.9%, 52.5%, 0%, 44.7%)
CIE-LAB	lab(31.43, 19.66, -42.40)
CIE-LCH	lch(31.43, 46.74, 294.88°)
OKLab	oklab(41.65% 0.0098 -0.1213)
OKLCH	oklch(41.65% 0.122 274.6)
XYZ	xyz(8.5582, 6.8363, 26.0627)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A438D #8D843A

analogous

#3A6D8D #3A438D #5B3A8D

triadic

#3A438D #8D3A43 #438D3A

tetradic

#3A438D #8D3A6D #8D843A #3A8D5B

square

#3A438D #8D3A6D #8D843A #3A8D5B

split-complementary

#3A438D #8D5B3A #6D8D3A

monochromatic

#161A36 #282E62 #3A438D #4E59B6 #7982C8

Accessibility & contrast

On white

8.87

#3A438D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3A438D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A438D

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A438D	#FFFFFF	#000000	##FFFFFF
##3A438D	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4E90

Deuteranopia (green-blind)

#0A478B

Tritanopia (blue-blind)

#045461

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a438d;
/* rgb */ color: rgb(58, 67, 141);
/* oklch */ color: oklch(41.6% 0.122 274.6);

Tailwind

colors: {
  custom: {
    50: '#7877af',
    500: '#3a438d',
    950: '#000000',
  },
}

SCSS

$custom: #3a438d;
$custom-light: #7877af;
$custom-dark: #000000;

JSON

{
  "hex": "#3a438d",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 233.494,
    "s": 41.709,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41646,
    "c": 0.12167,
    "h": 274.6
  },
  "luminance": 0.06837
}

Semantic roles & 50–950 ramp

primary

#3A438D

secondary

#B1AA71

accent

#C456D2

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3A438D

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

Preview Lab → · Contrast checker → · Palette generator →