#31384E#31384E

#31384E is a dark, muted blue. Relative luminance 0.040; OKLCH L 34.4% C 0.040 H 270.6°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#31384E
RGB	rgb(49, 56, 78)
HSL	hsl(226, 23%, 25%)
HSV	hsv(226, 37%, 31%)
CMYK	cmyk(37.2%, 28.2%, 0%, 69.4%)
CIE-LAB	lab(23.77, 3.28, -14.38)
CIE-LCH	lch(23.77, 14.75, 282.84°)
OKLab	oklab(34.4% 0.0004 -0.0399)
OKLCH	oklch(34.4% 0.04 270.6)
XYZ	xyz(4.0555, 4.0312, 7.7707)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31384E #4E4731

analogous

#31474E #31384E #38314E

triadic

#31384E #4E3138 #384E31

tetradic

#31384E #4E3147 #4E4731 #314E38

square

#31384E #4E3147 #4E4731 #314E38

split-complementary

#31384E #4E3831 #474E31

monochromatic

#0C0D13 #191D28 #31384E #495374 #606E99

Accessibility & contrast

On white

11.63

#31384E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#31384E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31384E

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31384E	#FFFFFF	#000000	##FFFFFF
##31384E	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313A4F

Deuteranopia (green-blind)

#2F374D

Tritanopia (blue-blind)

#293C40

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31384e;
/* rgb */ color: rgb(49, 56, 78);
/* oklch */ color: oklch(34.4% 0.040 270.6);

Tailwind

colors: {
  custom: {
    50: '#6a6e7f',
    500: '#31384e',
    950: '#000000',
  },
}

SCSS

$custom: #31384e;
$custom-light: #6a6e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#31384e",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 78
  },
  "hsl": {
    "h": 225.517,
    "s": 22.835,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34402,
    "c": 0.03986,
    "h": 270.6
  },
  "luminance": 0.04031
}

Semantic roles & 50–950 ramp

primary

#31384E

secondary

#7F765C

accent

#AA68BF

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#06070A

muted

#7A7A7C

Preview Lab

Preview with #31384E

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

Preview Lab → · Contrast checker → · Palette generator →