#31347E#31347E

#31347E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.123 H 276.8°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#31347E
RGB	rgb(49, 52, 126)
HSL	hsl(238, 44%, 34%)
HSV	hsv(238, 61%, 49%)
CMYK	cmyk(61.1%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(25.61, 22.57, -42.51)
CIE-LCH	lch(25.61, 48.13, 297.97°)
OKLab	oklab(36.77% 0.0145 -0.122)
OKLCH	oklch(36.77% 0.123 276.8)
XYZ	xyz(6.2593, 4.6148, 20.2955)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31347E #7E7B31

analogous

#315B7E #31347E #55317E

triadic

#31347E #7E3134 #347E31

tetradic

#31347E #7E315B #7E7B31 #317E55

square

#31347E #7E315B #7E7B31 #317E55

split-complementary

#31347E #7E5531 #5B7E31

monochromatic

#0F1026 #202252 #31347E #4246AA #666AC3

Accessibility & contrast

On white

10.92

#31347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#31347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31347E

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31347E	#FFFFFF	#000000	##FFFFFF
##31347E	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)

#004081

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #31347e;
/* rgb */ color: rgb(49, 52, 126);
/* oklch */ color: oklch(36.8% 0.123 276.8);

Tailwind

colors: {
  custom: {
    50: '#716ba4',
    500: '#31347e',
    950: '#000000',
  },
}

SCSS

$custom: #31347e;
$custom-light: #716ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#31347e",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 237.662,
    "s": 44,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36768,
    "c": 0.12284,
    "h": 276.8
  },
  "luminance": 0.04615
}

Semantic roles & 50–950 ramp

primary

#31347E

secondary

#ABA860

accent

#CF54D4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #31347E

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

Preview Lab → · Contrast checker → · Palette generator →