#313D62#313D62

#313D62 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.066 H 269.3°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#313D62
RGB	rgb(49, 61, 98)
HSL	hsl(225, 33%, 29%)
HSV	hsv(225, 50%, 38%)
CMYK	cmyk(50%, 37.8%, 0%, 61.6%)
CIE-LAB	lab(26.37, 6.46, -23.43)
CIE-LCH	lch(26.37, 24.30, 285.40°)
OKLab	oklab(36.75% -0.0008 -0.066)
OKLCH	oklch(36.75% 0.066 269.3)
XYZ	xyz(5.1393, 4.8720, 12.2225)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D62 #625631

analogous

#315662 #313D62 #3E3162

triadic

#313D62 #62313D #3D6231

tetradic

#313D62 #623156 #625631 #31623E

square

#313D62 #623156 #625631 #31623E

split-complementary

#313D62 #623E31 #566231

monochromatic

#0A0D14 #1D2439 #313D62 #45568B #5F72AF

Accessibility & contrast

On white

10.64

#313D62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#313D62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D62

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D62	#FFFFFF	#000000	##FFFFFF
##313D62	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4164

Deuteranopia (green-blind)

#2A3C61

Tritanopia (blue-blind)

#1E454B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313d62;
/* rgb */ color: rgb(49, 61, 98);
/* oklch */ color: oklch(36.8% 0.066 269.3);

Tailwind

colors: {
  custom: {
    50: '#6c728f',
    500: '#313d62',
    950: '#000000',
  },
}

SCSS

$custom: #313d62;
$custom-light: #6c728f;
$custom-dark: #000000;

JSON

{
  "hex": "#313d62",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 98
  },
  "hsl": {
    "h": 225.306,
    "s": 33.333,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3675,
    "c": 0.06596,
    "h": 269.3
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#313D62

secondary

#93865C

accent

#AF5EC9

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #313D62

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

Preview Lab → · Contrast checker → · Palette generator →