#313E67#313E67

#313E67 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.073 H 269.4°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#313E67
RGB	rgb(49, 62, 103)
HSL	hsl(226, 36%, 30%)
HSV	hsv(226, 52%, 40%)
CMYK	cmyk(52.4%, 39.8%, 0%, 59.6%)
CIE-LAB	lab(26.95, 7.51, -25.73)
CIE-LCH	lch(26.95, 26.80, 286.26°)
OKLab	oklab(37.29% -0.0008 -0.0726)
OKLCH	oklch(37.29% 0.073 269.4)
XYZ	xyz(5.4366, 5.0771, 13.5228)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E67 #675A31

analogous

#315967 #313E67 #3F3167

triadic

#313E67 #67313E #3E6731

tetradic

#313E67 #673159 #675A31 #31673F

square

#313E67 #673159 #675A31 #31673F

split-complementary

#313E67 #673F31 #596731

monochromatic

#0A0C15 #1D253E #313E67 #455790 #5F73B3

Accessibility & contrast

On white

10.42

#313E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#313E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E67

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E67	#FFFFFF	#000000	##FFFFFF
##313E67	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4269

Deuteranopia (green-blind)

#293E66

Tritanopia (blue-blind)

#1A474D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313e67;
/* rgb */ color: rgb(49, 62, 103);
/* oklch */ color: oklch(37.3% 0.073 269.4);

Tailwind

colors: {
  custom: {
    50: '#6d7392',
    500: '#313e67',
    950: '#000000',
  },
}

SCSS

$custom: #313e67;
$custom-light: #6d7392;
$custom-dark: #000000;

JSON

{
  "hex": "#313e67",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 103
  },
  "hsl": {
    "h": 225.556,
    "s": 35.526,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37294,
    "c": 0.07264,
    "h": 269.4
  },
  "luminance": 0.05077
}

Semantic roles & 50–950 ramp

primary

#313E67

secondary

#988A5C

accent

#B15CCC

background

#F6F6F9

surface

#ECECF1

border

#C7C7CB

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #313E67

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

Preview Lab → · Contrast checker → · Palette generator →