#31487C#31487C

#31487C is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.0% C 0.092 H 264.7°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#31487C
RGB	rgb(49, 72, 124)
HSL	hsl(222, 43%, 34%)
HSV	hsv(222, 60%, 49%)
CMYK	cmyk(60.5%, 41.9%, 0%, 51.4%)
CIE-LAB	lab(31.21, 8.26, -32.26)
CIE-LCH	lch(31.21, 33.30, 284.36°)
OKLab	oklab(40.98% -0.0085 -0.0916)
OKLCH	oklch(40.98% 0.092 264.7)
XYZ	xyz(7.2208, 6.7423, 19.9858)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31487C #7C6531

analogous

#316E7C #31487C #40317C

triadic

#31487C #7C3148 #487C31

tetradic

#31487C #7C316E #7C6531 #317C40

square

#31487C #7C316E #7C6531 #317C40

split-complementary

#31487C #7C4031 #6E7C31

monochromatic

#0E1524 #202F50 #31487C #4261A8 #6582C2

Accessibility & contrast

On white

8.94

#31487C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#31487C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31487C

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31487C	#FFFFFF	#000000	##FFFFFF
##31487C	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7E

Deuteranopia (green-blind)

#28467B

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31487c;
/* rgb */ color: rgb(49, 72, 124);
/* oklch */ color: oklch(41.0% 0.092 264.7);

Tailwind

colors: {
  custom: {
    50: '#707aa2',
    500: '#31487c',
    950: '#000000',
  },
}

SCSS

$custom: #31487c;
$custom-light: #707aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#31487c",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 124
  },
  "hsl": {
    "h": 221.6,
    "s": 43.353,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40978,
    "c": 0.09204,
    "h": 264.7
  },
  "luminance": 0.06743
}

Semantic roles & 50–950 ramp

primary

#31487C

secondary

#AA935F

accent

#AC55D3

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #31487C

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

Preview Lab → · Contrast checker → · Palette generator →