#31456B#31456B

#31456B is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.2% C 0.070 H 262.5°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#31456B
RGB	rgb(49, 69, 107)
HSL	hsl(219, 37%, 31%)
HSV	hsv(219, 54%, 42%)
CMYK	cmyk(54.2%, 35.5%, 0%, 58%)
CIE-LAB	lab(29.34, 4.19, -24.53)
CIE-LCH	lch(29.34, 24.88, 279.70°)
OKLab	oklab(39.21% -0.0091 -0.0691)
OKLCH	oklch(39.21% 0.07 262.5)
XYZ	xyz(6.0477, 5.9703, 14.7408)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31456B #6B5731

analogous

#31626B #31456B #3A316B

triadic

#31456B #6B3145 #456B31

tetradic

#31456B #6B3162 #6B5731 #316B3A

square

#31456B #6B3162 #6B5731 #316B3A

split-complementary

#31456B #6B3A31 #626B31

monochromatic

#0B0F17 #1E2A41 #31456B #446095 #607EB6

Accessibility & contrast

On white

9.57

#31456B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#31456B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31456B

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31456B	#FFFFFF	#000000	##FFFFFF
##31456B	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36486D

Deuteranopia (green-blind)

#2F436A

Tritanopia (blue-blind)

#154D53

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #31456b;
/* rgb */ color: rgb(49, 69, 107);
/* oklch */ color: oklch(39.2% 0.070 262.5);

Tailwind

colors: {
  custom: {
    50: '#6d7895',
    500: '#31456b',
    950: '#000000',
  },
}

SCSS

$custom: #31456b;
$custom-light: #6d7895;
$custom-dark: #000000;

JSON

{
  "hex": "#31456b",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 107
  },
  "hsl": {
    "h": 219.31,
    "s": 37.179,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39212,
    "c": 0.06969,
    "h": 262.5
  },
  "luminance": 0.05971
}

Semantic roles & 50–950 ramp

primary

#31456B

secondary

#9C865C

accent

#A65BCD

background

#F6F7F9

surface

#ECEDF1

border

#C7C8CB

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #31456B

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

Preview Lab → · Contrast checker → · Palette generator →