#31438E#31438E

#31438E is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.126 H 269.9°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#31438E
RGB	rgb(49, 67, 142)
HSL	hsl(228, 49%, 37%)
HSV	hsv(228, 65%, 56%)
CMYK	cmyk(65.5%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(30.92, 18.26, -43.86)
CIE-LCH	lch(30.92, 47.51, 292.61°)
OKLab	oklab(41.13% -0.0002 -0.1258)
OKLCH	oklch(41.13% 0.126 269.9)
XYZ	xyz(8.1546, 6.6196, 26.4339)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31438E #8E7C31

analogous

#31728E #31438E #4D318E

triadic

#31438E #8E3143 #438E31

tetradic

#31438E #8E3172 #8E7C31 #318E4D

square

#31438E #8E3172 #8E7C31 #318E4D

split-complementary

#31438E #8E4D31 #728E31

monochromatic

#121833 #212E61 #31438E #4158BB #6D7FCD

Accessibility & contrast

On white

9.04

#31438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#31438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31438E

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31438E	#FFFFFF	#000000	##FFFFFF
##31438E	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D91

Deuteranopia (green-blind)

#00458C

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31438e;
/* rgb */ color: rgb(49, 67, 142);
/* oklch */ color: oklch(41.1% 0.126 269.9);

Tailwind

colors: {
  custom: {
    50: '#7376b0',
    500: '#31438e',
    950: '#000000',
  },
}

SCSS

$custom: #31438e;
$custom-light: #7376b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31438e",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 228.387,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.41134,
    "c": 0.12579,
    "h": 269.9
  },
  "luminance": 0.0662
}

Semantic roles & 50–950 ramp

primary

#31438E

secondary

#B4A567

accent

#BE50D8

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31438E

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

Preview Lab → · Contrast checker → · Palette generator →