#313C4E#313C4E

#313C4E is a dark, muted blue. Relative luminance 0.044; OKLCH L 35.4% C 0.035 H 260.1°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#313C4E
RGB	rgb(49, 60, 78)
HSL	hsl(217, 23%, 25%)
HSV	hsv(217, 37%, 31%)
CMYK	cmyk(37.2%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(25.06, 0.59, -12.41)
CIE-LCH	lch(25.06, 12.42, 272.72°)
OKLab	oklab(35.41% -0.006 -0.0342)
OKLCH	oklch(35.41% 0.035 260.1)
XYZ	xyz(4.2572, 4.4346, 7.8379)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313C4E #4E4331

analogous

#314B4E #313C4E #34314E

triadic

#313C4E #4E313C #3C4E31

tetradic

#313C4E #4E314B #4E4331 #314E34

square

#313C4E #4E314B #4E4331 #314E34

split-complementary

#313C4E #4E3431 #4B4E31

monochromatic

#0C0E13 #191F28 #313C4E #495974 #607699

Accessibility & contrast

On white

11.13

#313C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#313C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313C4E

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313C4E	#FFFFFF	#000000	##FFFFFF
##313C4E	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4F

Deuteranopia (green-blind)

#333A4E

Tritanopia (blue-blind)

#284042

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #313c4e;
/* rgb */ color: rgb(49, 60, 78);
/* oklch */ color: oklch(35.4% 0.035 260.1);

Tailwind

colors: {
  custom: {
    50: '#6a717f',
    500: '#313c4e',
    950: '#000000',
  },
}

SCSS

$custom: #313c4e;
$custom-light: #6a717f;
$custom-dark: #000000;

JSON

{
  "hex": "#313c4e",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 217.241,
    "s": 22.835,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35405,
    "c": 0.03476,
    "h": 260.1
  },
  "luminance": 0.04435
}

Semantic roles & 50–950 ramp

primary

#313C4E

secondary

#7F725C

accent

#9E68BF

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#06070A

muted

#7A7A7C

Preview Lab

Preview with #313C4E

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

Preview Lab → · Contrast checker → · Palette generator →