#313E8E#313E8E

#313E8E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.133 H 272.1°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#313E8E
RGB	rgb(49, 62, 142)
HSL	hsl(232, 49%, 37%)
HSV	hsv(232, 65%, 56%)
CMYK	cmyk(65.5%, 56.3%, 0%, 44.3%)
CIE-LAB	lab(29.54, 21.64, -46.10)
CIE-LCH	lch(29.54, 50.93, 295.14°)
OKLab	oklab(40.09% 0.0048 -0.1324)
OKLCH	oklch(40.09% 0.133 272.1)
XYZ	xyz(7.8701, 6.0505, 26.3391)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E8E #8E8131

analogous

#316C8E #313E8E #53318E

triadic

#313E8E #8E313E #3E8E31

tetradic

#313E8E #8E316C #8E8131 #318E53

square

#313E8E #8E316C #8E8131 #318E53

split-complementary

#313E8E #8E5331 #6C8E31

monochromatic

#121633 #212A61 #313E8E #4152BB #6D7ACD

Accessibility & contrast

On white

9.50

#313E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#313E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E8E

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E8E	#FFFFFF	#000000	##FFFFFF
##313E8E	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A91

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #313e8e;
/* rgb */ color: rgb(49, 62, 142);
/* oklch */ color: oklch(40.1% 0.133 272.1);

Tailwind

colors: {
  custom: {
    50: '#7473b0',
    500: '#313e8e',
    950: '#000000',
  },
}

SCSS

$custom: #313e8e;
$custom-light: #7473b0;
$custom-dark: #000000;

JSON

{
  "hex": "#313e8e",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 142
  },
  "hsl": {
    "h": 231.613,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40091,
    "c": 0.13253,
    "h": 272.1
  },
  "luminance": 0.06051
}

Semantic roles & 50–950 ramp

primary

#313E8E

secondary

#B4A967

accent

#C550D8

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #313E8E

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

Preview Lab → · Contrast checker → · Palette generator →