#31498E#31498E

#31498E is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.4% C 0.118 H 266.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#31498E
RGB	rgb(49, 73, 142)
HSL	hsl(225, 49%, 37%)
HSV	hsv(225, 65%, 56%)
CMYK	cmyk(65.5%, 48.6%, 0%, 44.3%)
CIE-LAB	lab(32.64, 14.22, -41.11)
CIE-LCH	lch(32.64, 43.50, 289.08°)
OKLab	oklab(42.43% -0.0063 -0.1176)
OKLCH	oklch(42.43% 0.118 266.9)
XYZ	xyz(8.5300, 7.3703, 26.5590)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31498E #8E7631

analogous

#31788E #31498E #47318E

triadic

#31498E #8E3149 #498E31

tetradic

#31498E #8E3178 #8E7631 #318E47

square

#31498E #8E3178 #8E7631 #318E47

split-complementary

#31498E #8E4731 #788E31

monochromatic

#121A33 #213261 #31498E #4160BB #6D86CD

Accessibility & contrast

On white

8.49

#31498E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#31498E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31498E

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31498E	#FFFFFF	#000000	##FFFFFF
##31498E	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265191

Deuteranopia (green-blind)

#14498D

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #31498e;
/* rgb */ color: rgb(49, 73, 142);
/* oklch */ color: oklch(42.4% 0.118 266.9);

Tailwind

colors: {
  custom: {
    50: '#737baf',
    500: '#31498e',
    950: '#000000',
  },
}

SCSS

$custom: #31498e;
$custom-light: #737baf;
$custom-dark: #000000;

JSON

{
  "hex": "#31498e",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 142
  },
  "hsl": {
    "h": 224.516,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42434,
    "c": 0.11777,
    "h": 266.9
  },
  "luminance": 0.07371
}

Semantic roles & 50–950 ramp

primary

#31498E

secondary

#B4A067

accent

#B550D8

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #31498E

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

Preview Lab → · Contrast checker → · Palette generator →