#31429E#31429E

#31429E is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.2% C 0.150 H 270.7°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#31429E
RGB	rgb(49, 66, 158)
HSL	hsl(231, 53%, 41%)
HSV	hsv(231, 69%, 62%)
CMYK	cmyk(69%, 58.2%, 0%, 38%)
CIE-LAB	lab(31.85, 24.86, -52.12)
CIE-LCH	lch(31.85, 57.75, 295.50°)
OKLab	oklab(42.21% 0.0017 -0.1501)
OKLCH	oklch(42.21% 0.15 270.7)
XYZ	xyz(9.3843, 7.0171, 33.2010)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31429E #9E8D31

analogous

#31789E #31429E #56319E

triadic

#31429E #9E3142 #429E31

tetradic

#31429E #9E3178 #9E8D31 #319E56

square

#31429E #9E3178 #9E8D31 #319E56

split-complementary

#31429E #9E5631 #789E31

monochromatic

#141B41 #232E6F #31429E #465AC6 #7584D4

Accessibility & contrast

On white

8.74

#31429E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#31429E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31429E

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31429E	#FFFFFF	#000000	##FFFFFF
##31429E	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A1

Deuteranopia (green-blind)

#00469C

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #31429e;
/* rgb */ color: rgb(49, 66, 158);
/* oklch */ color: oklch(42.2% 0.150 270.7);

Tailwind

colors: {
  custom: {
    50: '#7776bb',
    500: '#31429e',
    950: '#000000',
  },
}

SCSS

$custom: #31429e;
$custom-light: #7776bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31429e",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 158
  },
  "hsl": {
    "h": 230.642,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42205,
    "c": 0.15011,
    "h": 270.7
  },
  "luminance": 0.07018
}

Semantic roles & 50–950 ramp

primary

#31429E

secondary

#BCB06E

accent

#C64CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31429E

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

Preview Lab → · Contrast checker → · Palette generator →