#3031AE#3031AE

#3031AE is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.6% C 0.192 H 273.5°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#3031AE
RGB	rgb(48, 49, 174)
HSL	hsl(240, 57%, 44%)
HSV	hsv(240, 72%, 68%)
CMYK	cmyk(72.4%, 71.8%, 0%, 31.8%)
CIE-LAB	lab(29.11, 41.26, -66.24)
CIE-LCH	lch(29.11, 78.03, 301.92°)
OKLab	oklab(40.62% 0.0116 -0.1916)
OKLCH	oklch(40.62% 0.192 273.5)
XYZ	xyz(9.9547, 5.8800, 40.6465)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3031AE #AEAD30

analogous

#3070AE #3031AE #6E30AE

triadic

#3031AE #AE3031 #31AE30

tetradic

#3031AE #AE3070 #AEAD30 #30AE6E

square

#3031AE #AE3070 #AEAD30 #30AE6E

split-complementary

#3031AE #AE6E30 #70AE30

monochromatic

#16164E #23237E #3031AE #4D4ECE #7D7EDB

Accessibility & contrast

On white

9.65

#3031AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3031AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031AE

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031AE	#FFFFFF	#000000	##FFFFFF
##3031AE	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB2

Deuteranopia (green-blind)

#003FAC

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3031ae;
/* rgb */ color: rgb(48, 49, 174);
/* oklch */ color: oklch(40.6% 0.192 273.5);

Tailwind

colors: {
  custom: {
    50: '#7c6ac7',
    500: '#3031ae',
    950: '#000000',
  },
}

SCSS

$custom: #3031ae;
$custom-light: #7c6ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3031ae",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 174
  },
  "hsl": {
    "h": 239.524,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40621,
    "c": 0.19192,
    "h": 273.5
  },
  "luminance": 0.05881
}

Semantic roles & 50–950 ramp

primary

#3031AE

secondary

#C4C376

accent

#DF48E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3031AE

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

Preview Lab → · Contrast checker → · Palette generator →