#313E69#313E69

#313E69 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.076 H 269.8°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#313E69
RGB	rgb(49, 62, 105)
HSL	hsl(226, 36%, 30%)
HSV	hsv(226, 53%, 41%)
CMYK	cmyk(53.3%, 41%, 0%, 58.8%)
CIE-LAB	lab(27.07, 8.20, -26.83)
CIE-LCH	lch(27.07, 28.06, 287.00°)
OKLab	oklab(37.42% -0.0003 -0.0758)
OKLCH	oklch(37.42% 0.076 269.8)
XYZ	xyz(5.5382, 5.1178, 14.0579)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E69 #695C31

analogous

#315A69 #313E69 #403169

triadic

#313E69 #69313E #3E6931

tetradic

#313E69 #69315A #695C31 #316940

square

#313E69 #69315A #695C31 #316940

split-complementary

#313E69 #694031 #5A6931

monochromatic

#0A0D16 #1E253F #313E69 #445793 #6073B5

Accessibility & contrast

On white

10.38

#313E69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#313E69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E69

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E69	#FFFFFF	#000000	##FFFFFF
##313E69	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D436B

Deuteranopia (green-blind)

#273E68

Tritanopia (blue-blind)

#19474E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313e69;
/* rgb */ color: rgb(49, 62, 105);
/* oklch */ color: oklch(37.4% 0.076 269.8);

Tailwind

colors: {
  custom: {
    50: '#6d7394',
    500: '#313e69',
    950: '#000000',
  },
}

SCSS

$custom: #313e69;
$custom-light: #6d7394;
$custom-dark: #000000;

JSON

{
  "hex": "#313e69",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 105
  },
  "hsl": {
    "h": 226.071,
    "s": 36.364,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37419,
    "c": 0.07585,
    "h": 269.8
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#313E69

secondary

#9A8C5C

accent

#B25BCC

background

#F6F6F9

surface

#ECECF1

border

#C7C7CB

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #313E69

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

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