#31459D#31459D

#31459D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.145 H 269.6°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#31459D
RGB	rgb(49, 69, 157)
HSL	hsl(229, 52%, 40%)
HSV	hsv(229, 69%, 62%)
CMYK	cmyk(68.8%, 56.1%, 0%, 38.4%)
CIE-LAB	lab(32.57, 22.49, -50.33)
CIE-LCH	lch(32.57, 55.13, 294.08°)
OKLab	oklab(42.73% -0.001 -0.1448)
OKLCH	oklch(42.73% 0.145 269.6)
XYZ	xyz(9.4785, 7.3426, 32.8095)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31459D #9D8931

analogous

#317B9D #31459D #53319D

triadic

#31459D #9D3145 #459D31

tetradic

#31459D #9D317B #9D8931 #319D53

square

#31459D #9D317B #9D8931 #319D53

split-complementary

#31459D #9D5331 #7B9D31

monochromatic

#141C40 #22316E #31459D #465EC5 #7586D4

Accessibility & contrast

On white

8.51

#31459D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#31459D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31459D

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31459D	#FFFFFF	#000000	##FFFFFF
##31459D	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A0

Deuteranopia (green-blind)

#00489B

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #31459d;
/* rgb */ color: rgb(49, 69, 157);
/* oklch */ color: oklch(42.7% 0.145 269.6);

Tailwind

colors: {
  custom: {
    50: '#7678bb',
    500: '#31459d',
    950: '#000000',
  },
}

SCSS

$custom: #31459d;
$custom-light: #7678bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31459d",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 157
  },
  "hsl": {
    "h": 228.889,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42726,
    "c": 0.14481,
    "h": 269.6
  },
  "luminance": 0.07344
}

Semantic roles & 50–950 ramp

primary

#31459D

secondary

#BCAD6E

accent

#C14CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31459D

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

Preview Lab → · Contrast checker → · Palette generator →