#31456E#31456E

#31456E is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.4% C 0.074 H 263.6°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#31456E
RGB	rgb(49, 69, 110)
HSL	hsl(220, 38%, 31%)
HSV	hsv(220, 55%, 43%)
CMYK	cmyk(55.5%, 37.3%, 0%, 56.9%)
CIE-LAB	lab(29.50, 5.24, -26.18)
CIE-LCH	lch(29.50, 26.70, 281.33°)
OKLab	oklab(39.39% -0.0083 -0.0739)
OKLCH	oklch(39.39% 0.074 263.6)
XYZ	xyz(6.2083, 6.0346, 15.5865)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31456E #6E5A31

analogous

#31636E #31456E #3B316E

triadic

#31456E #6E3145 #456E31

tetradic

#31456E #6E3163 #6E5A31 #316E3B

square

#31456E #6E3163 #6E5A31 #316E3B

split-complementary

#31456E #6E3B31 #636E31

monochromatic

#0B1019 #1E2A44 #31456E #446098 #617EB9

Accessibility & contrast

On white

9.52

#31456E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#31456E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31456E

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31456E	#FFFFFF	#000000	##FFFFFF
##31456E	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354970

Deuteranopia (green-blind)

#2E436D

Tritanopia (blue-blind)

#124E54

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #31456e;
/* rgb */ color: rgb(49, 69, 110);
/* oklch */ color: oklch(39.4% 0.074 263.6);

Tailwind

colors: {
  custom: {
    50: '#6e7898',
    500: '#31456e',
    950: '#000000',
  },
}

SCSS

$custom: #31456e;
$custom-light: #6e7898;
$custom-dark: #000000;

JSON

{
  "hex": "#31456e",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 110
  },
  "hsl": {
    "h": 220.328,
    "s": 38.365,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39391,
    "c": 0.07435,
    "h": 263.6
  },
  "luminance": 0.06035
}

Semantic roles & 50–950 ramp

primary

#31456E

secondary

#9F895C

accent

#A859CE

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #31456E

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

Preview Lab → · Contrast checker → · Palette generator →