#3039B9#3039B9

#3039B9 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.197 H 271.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3039B9
RGB	rgb(48, 57, 185)
HSL	hsl(236, 59%, 46%)
HSV	hsv(236, 74%, 73%)
CMYK	cmyk(74.1%, 69.2%, 0%, 27.5%)
CIE-LAB	lab(31.93, 40.23, -68.13)
CIE-LCH	lch(31.93, 79.12, 300.56°)
OKLab	oklab(42.98% 0.0057 -0.1971)
OKLCH	oklch(42.98% 0.197 271.6)
XYZ	xyz(11.4360, 7.0562, 46.6488)
Luminance	0.0706 (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

#3039B9 #B9B030

analogous

#307EB9 #3039B9 #6B30B9

triadic

#3039B9 #B93039 #39B930

tetradic

#3039B9 #B9307E #B9B030 #30B96B

square

#3039B9 #B9307E #B9B030 #30B96B

split-complementary

#3039B9 #B96B30 #7EB930

monochromatic

#171B58 #232A88 #3039B9 #545CD3 #848ADF

Accessibility & contrast

On white

8.71

#3039B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3039B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039B9

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039B9	#FFFFFF	#000000	##FFFFFF
##3039B9	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3039b9;
/* rgb */ color: rgb(48, 57, 185);
/* oklch */ color: oklch(43.0% 0.197 271.6);

Tailwind

colors: {
  custom: {
    50: '#7d70cf',
    500: '#3039b9',
    950: '#000000',
  },
}

SCSS

$custom: #3039b9;
$custom-light: #7d70cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3039b9",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 185
  },
  "hsl": {
    "h": 236.058,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42978,
    "c": 0.19718,
    "h": 271.6
  },
  "luminance": 0.07057
}

Semantic roles & 50–950 ramp

primary

#3039B9

secondary

#C9C47C

accent

#D846E2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3039B9

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

Preview Lab → · Contrast checker → · Palette generator →