#313E68#313E68

#313E68 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.074 H 269.6°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#313E68
RGB	rgb(49, 62, 104)
HSL	hsl(226, 36%, 30%)
HSV	hsv(226, 53%, 41%)
CMYK	cmyk(52.9%, 40.4%, 0%, 59.2%)
CIE-LAB	lab(27.01, 7.85, -26.28)
CIE-LCH	lch(27.01, 27.43, 286.64°)
OKLab	oklab(37.36% -0.0006 -0.0742)
OKLCH	oklch(37.36% 0.074 269.6)
XYZ	xyz(5.4871, 5.0973, 13.7888)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E68 #685B31

analogous

#315A68 #313E68 #3F3168

triadic

#313E68 #68313E #3E6831

tetradic

#313E68 #68315A #685B31 #31683F

square

#313E68 #68315A #685B31 #31683F

split-complementary

#313E68 #683F31 #5A6831

monochromatic

#0A0C15 #1D253E #313E68 #455792 #6073B4

Accessibility & contrast

On white

10.40

#313E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#313E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E68

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E68	#FFFFFF	#000000	##FFFFFF
##313E68	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E426A

Deuteranopia (green-blind)

#283E67

Tritanopia (blue-blind)

#1A474E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313e68;
/* rgb */ color: rgb(49, 62, 104);
/* oklch */ color: oklch(37.4% 0.074 269.6);

Tailwind

colors: {
  custom: {
    50: '#6d7393',
    500: '#313e68',
    950: '#000000',
  },
}

SCSS

$custom: #313e68;
$custom-light: #6d7393;
$custom-dark: #000000;

JSON

{
  "hex": "#313e68",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 104
  },
  "hsl": {
    "h": 225.818,
    "s": 35.948,
    "l": 30
  },
  "oklch": {
    "l": 0.37356,
    "c": 0.07425,
    "h": 269.6
  },
  "luminance": 0.05098
}

Semantic roles & 50–950 ramp

primary

#313E68

secondary

#998B5C

accent

#B15CCC

background

#F6F6F9

surface

#ECECF1

border

#C7C7CB

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #313E68

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

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