#3037AE#3037AE

#3037AE is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.185 H 272.5°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#3037AE
RGB	rgb(48, 55, 174)
HSL	hsl(237, 57%, 44%)
HSV	hsv(237, 72%, 68%)
CMYK	cmyk(72.4%, 68.4%, 0%, 31.8%)
CIE-LAB	lab(30.44, 37.62, -64.05)
CIE-LCH	lch(30.44, 74.28, 300.43°)
OKLab	oklab(41.58% 0.0081 -0.1852)
OKLCH	oklch(41.58% 0.185 272.5)
XYZ	xyz(10.2225, 6.4157, 40.7358)
Luminance	0.0642 (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

#3037AE #AEA730

analogous

#3076AE #3037AE #6830AE

triadic

#3037AE #AE3037 #37AE30

tetradic

#3037AE #AE3076 #AEA730 #30AE68

square

#3037AE #AE3076 #AEA730 #30AE68

split-complementary

#3037AE #AE6830 #76AE30

monochromatic

#16194E #23287E #3037AE #4D54CE #7D82DB

Accessibility & contrast

On white

9.20

#3037AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3037AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3037AE

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3037AE	#FFFFFF	#000000	##FFFFFF
##3037AE	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB2

Deuteranopia (green-blind)

#0042AC

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3037ae;
/* rgb */ color: rgb(48, 55, 174);
/* oklch */ color: oklch(41.6% 0.185 272.5);

Tailwind

colors: {
  custom: {
    50: '#7b6ec7',
    500: '#3037ae',
    950: '#000000',
  },
}

SCSS

$custom: #3037ae;
$custom-light: #7b6ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3037ae",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 174
  },
  "hsl": {
    "h": 236.667,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.41579,
    "c": 0.18536,
    "h": 272.5
  },
  "luminance": 0.06417
}

Semantic roles & 50–950 ramp

primary

#3037AE

secondary

#C4C076

accent

#D848E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3037AE

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

Preview Lab → · Contrast checker → · Palette generator →