#313F5F#313F5F

#313F5F is a dark, muted blue. Relative luminance 0.050; OKLCH L 37.1% C 0.058 H 265.6°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#313F5F
RGB	rgb(49, 63, 95)
HSL	hsl(222, 32%, 28%)
HSV	hsv(222, 48%, 37%)
CMYK	cmyk(48.4%, 33.7%, 0%, 62.7%)
CIE-LAB	lab(26.83, 4.08, -20.77)
CIE-LCH	lch(26.83, 21.16, 281.12°)
OKLab	oklab(37.06% -0.0045 -0.0582)
OKLCH	oklch(37.06% 0.058 265.6)
XYZ	xyz(5.1090, 5.0339, 11.5267)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313F5F #5F5131

analogous

#31565F #313F5F #3A315F

triadic

#313F5F #5F313F #3F5F31

tetradic

#313F5F #5F3156 #5F5131 #315F3A

square

#313F5F #5F3156 #5F5131 #315F3A

split-complementary

#313F5F #5F3A31 #565F31

monochromatic

#0A0D14 #1C2437 #313F5F #465A87 #5E76AC

Accessibility & contrast

On white

10.46

#313F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#313F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313F5F

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313F5F	#FFFFFF	#000000	##FFFFFF
##313F5F	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)

#334260

Deuteranopia (green-blind)

#2F3E5E

Tritanopia (blue-blind)

#20464A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313f5f;
/* rgb */ color: rgb(49, 63, 95);
/* oklch */ color: oklch(37.1% 0.058 265.6);

Tailwind

colors: {
  custom: {
    50: '#6c738c',
    500: '#313f5f',
    950: '#000000',
  },
}

SCSS

$custom: #313f5f;
$custom-light: #6c738c;
$custom-dark: #000000;

JSON

{
  "hex": "#313f5f",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 95
  },
  "hsl": {
    "h": 221.739,
    "s": 31.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37057,
    "c": 0.05838,
    "h": 265.6
  },
  "luminance": 0.05034
}

Semantic roles & 50–950 ramp

primary

#313F5F

secondary

#90805C

accent

#A860C8

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#07080C

muted

#7A7B7D

Preview Lab

Preview with #313F5F

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

Preview Lab → · Contrast checker → · Palette generator →