#313E60#313E60

#313E60 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.061 H 267.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#313E60
RGB	rgb(49, 62, 96)
HSL	hsl(223, 32%, 28%)
HSV	hsv(223, 49%, 38%)
CMYK	cmyk(49%, 35.4%, 0%, 62.4%)
CIE-LAB	lab(26.57, 5.10, -21.82)
CIE-LCH	lch(26.57, 22.41, 283.14°)
OKLab	oklab(36.87% -0.0027 -0.0613)
OKLCH	oklch(36.87% 0.061 267.4)
XYZ	xyz(5.0999, 4.9424, 11.7493)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E60 #605331

analogous

#315560 #313E60 #3B3160

triadic

#313E60 #60313E #3E6031

tetradic

#313E60 #603155 #605331 #31603B

square

#313E60 #603155 #605331 #31603B

split-complementary

#313E60 #603B31 #556031

monochromatic

#0A0D14 #1C2437 #313E60 #465889 #5E74AD

Accessibility & contrast

On white

10.56

#313E60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#313E60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E60

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E60	#FFFFFF	#000000	##FFFFFF
##313E60	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324161

Deuteranopia (green-blind)

#2D3D5F

Tritanopia (blue-blind)

#1F454A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313e60;
/* rgb */ color: rgb(49, 62, 96);
/* oklch */ color: oklch(36.9% 0.061 267.4);

Tailwind

colors: {
  custom: {
    50: '#6c738d',
    500: '#313e60',
    950: '#000000',
  },
}

SCSS

$custom: #313e60;
$custom-light: #6c738d;
$custom-dark: #000000;

JSON

{
  "hex": "#313e60",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 96
  },
  "hsl": {
    "h": 223.404,
    "s": 32.414,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36872,
    "c": 0.06133,
    "h": 267.4
  },
  "luminance": 0.04943
}

Semantic roles & 50–950 ramp

primary

#313E60

secondary

#91825C

accent

#AB5FC9

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07080C

muted

#7A7B7D

Preview Lab

Preview with #313E60

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

Preview Lab → · Contrast checker → · Palette generator →