#313E65#313E65

#313E65 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.069 H 268.9°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#313E65
RGB	rgb(49, 62, 101)
HSL	hsl(225, 35%, 29%)
HSV	hsv(225, 51%, 40%)
CMYK	cmyk(51.5%, 38.6%, 0%, 60.4%)
CIE-LAB	lab(26.84, 6.81, -24.62)
CIE-LCH	lch(26.84, 25.54, 285.46°)
OKLab	oklab(37.17% -0.0013 -0.0694)
OKLCH	oklch(37.17% 0.069 268.9)
XYZ	xyz(5.3375, 5.0375, 13.0005)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E65 #655831

analogous

#315865 #313E65 #3E3165

triadic

#313E65 #65313E #3E6531

tetradic

#313E65 #653158 #655831 #31653E

square

#313E65 #653158 #655831 #31653E

split-complementary

#313E65 #653E31 #586531

monochromatic

#0A0D15 #1D253C #313E65 #45578E #5F74B1

Accessibility & contrast

On white

10.46

#313E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#313E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E65

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E65	#FFFFFF	#000000	##FFFFFF
##313E65	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4267

Deuteranopia (green-blind)

#2A3D64

Tritanopia (blue-blind)

#1C464C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313e65;
/* rgb */ color: rgb(49, 62, 101);
/* oklch */ color: oklch(37.2% 0.069 268.9);

Tailwind

colors: {
  custom: {
    50: '#6c7391',
    500: '#313e65',
    950: '#000000',
  },
}

SCSS

$custom: #313e65;
$custom-light: #6c7391;
$custom-dark: #000000;

JSON

{
  "hex": "#313e65",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 101
  },
  "hsl": {
    "h": 225,
    "s": 34.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3717,
    "c": 0.06942,
    "h": 268.9
  },
  "luminance": 0.05038
}

Semantic roles & 50–950 ramp

primary

#313E65

secondary

#96885C

accent

#AF5DCB

background

#F6F6F8

surface

#ECECF0

border

#C7C7CB

text

#07080C

muted

#7A7B7D

Preview Lab

Preview with #313E65

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

Preview Lab → · Contrast checker → · Palette generator →