#313D53#313D53

#313D53 is a dark, muted blue. Relative luminance 0.046; OKLCH L 35.9% C 0.042 H 262.3°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#313D53
RGB	rgb(49, 61, 83)
HSL	hsl(219, 26%, 26%)
HSV	hsv(219, 41%, 33%)
CMYK	cmyk(41%, 26.5%, 0%, 67.5%)
CIE-LAB	lab(25.61, 1.49, -14.85)
CIE-LCH	lch(25.61, 14.92, 275.72°)
OKLab	oklab(35.91% -0.0056 -0.0412)
OKLCH	oklch(35.91% 0.042 262.3)
XYZ	xyz(4.4962, 4.6148, 8.8358)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D53 #534731

analogous

#314E53 #313D53 #363153

triadic

#313D53 #53313D #3D5331

tetradic

#313D53 #53314E #534731 #315336

square

#313D53 #53314E #534731 #315336

split-complementary

#313D53 #533631 #4E5331

monochromatic

#0B0E13 #1A212D #313D53 #485979 #5E76A0

Accessibility & contrast

On white

10.92

#313D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#313D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D53

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D53	#FFFFFF	#000000	##FFFFFF
##313D53	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#323B53

Tritanopia (blue-blind)

#264245

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313d53;
/* rgb */ color: rgb(49, 61, 83);
/* oklch */ color: oklch(35.9% 0.042 262.3);

Tailwind

colors: {
  custom: {
    50: '#6a7283',
    500: '#313d53',
    950: '#000000',
  },
}

SCSS

$custom: #313d53;
$custom-light: #6a7283;
$custom-dark: #000000;

JSON

{
  "hex": "#313d53",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 218.824,
    "s": 25.758,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3591,
    "c": 0.04159,
    "h": 262.3
  },
  "luminance": 0.04615
}

Semantic roles & 50–950 ramp

primary

#313D53

secondary

#84765C

accent

#A266C2

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070A

muted

#7A7A7C

Preview Lab

Preview with #313D53

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

Preview Lab → · Contrast checker → · Palette generator →