#313E5F#313E5F

#313E5F is a dark, muted blue. Relative luminance 0.049; OKLCH L 36.8% C 0.060 H 267.1°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#313E5F
RGB	rgb(49, 62, 95)
HSL	hsl(223, 32%, 28%)
HSV	hsv(223, 48%, 37%)
CMYK	cmyk(48.4%, 34.7%, 0%, 62.7%)
CIE-LAB	lab(26.52, 4.76, -21.26)
CIE-LCH	lch(26.52, 21.78, 282.61°)
OKLab	oklab(36.81% -0.003 -0.0596)
OKLCH	oklch(36.81% 0.06 267.1)
XYZ	xyz(5.0541, 4.9241, 11.5084)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E5F #5F5231

analogous

#31555F #313E5F #3B315F

triadic

#313E5F #5F313E #3E5F31

tetradic

#313E5F #5F3155 #5F5231 #315F3B

square

#313E5F #5F3155 #5F5231 #315F3B

split-complementary

#313E5F #5F3B31 #555F31

monochromatic

#0A0D14 #1C2437 #313E5F #465887 #5E74AC

Accessibility & contrast

On white

10.58

#313E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#313E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E5F

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E5F	#FFFFFF	#000000	##FFFFFF
##313E5F	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324160

Deuteranopia (green-blind)

#2D3D5E

Tritanopia (blue-blind)

#20454A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313e5f;
/* rgb */ color: rgb(49, 62, 95);
/* oklch */ color: oklch(36.8% 0.060 267.1);

Tailwind

colors: {
  custom: {
    50: '#6c738c',
    500: '#313e5f',
    950: '#000000',
  },
}

SCSS

$custom: #313e5f;
$custom-light: #6c738c;
$custom-dark: #000000;

JSON

{
  "hex": "#313e5f",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 95
  },
  "hsl": {
    "h": 223.043,
    "s": 31.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36814,
    "c": 0.05972,
    "h": 267.1
  },
  "luminance": 0.04924
}

Semantic roles & 50–950 ramp

primary

#313E5F

secondary

#90815C

accent

#AB60C8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07080C

muted

#7A7B7D

Preview Lab

Preview with #313E5F

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

Preview Lab → · Contrast checker → · Palette generator →