#3039CF#3039CF

#3039CF is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.2% C 0.224 H 270.7°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3039CF
RGB	rgb(48, 57, 207)
HSL	hsl(237, 62%, 50%)
HSV	hsv(237, 77%, 81%)
CMYK	cmyk(76.8%, 72.5%, 0%, 18.8%)
CIE-LAB	lab(34.10, 47.72, -77.44)
CIE-LCH	lch(34.10, 90.96, 301.64°)
OKLab	oklab(45.19% 0.0028 -0.2242)
OKLCH	oklch(45.19% 0.224 270.7)
XYZ	xyz(13.9407, 8.0581, 59.8400)
Luminance	0.0806 (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

#3039CF #CFC630

analogous

#3088CF #3039CF #7730CF

triadic

#3039CF #CF3039 #39CF30

tetradic

#3039CF #CF3088 #CFC630 #30CF77

square

#3039CF #CF3088 #CFC630 #30CF77

split-complementary

#3039CF #CF7730 #88CF30

monochromatic

#191E6C #242B9D #3039CF #6269DB #9398E6

Accessibility & contrast

On white

8.04

#3039CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3039CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039CF

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039CF	#FFFFFF	#000000	##FFFFFF
##3039CF	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D3

Deuteranopia (green-blind)

#0048CC

Tritanopia (blue-blind)

#006481

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3039cf;
/* rgb */ color: rgb(48, 57, 207);
/* oklch */ color: oklch(45.2% 0.224 270.7);

Tailwind

colors: {
  custom: {
    50: '#8371df',
    500: '#3039cf',
    950: '#000000',
  },
}

SCSS

$custom: #3039cf;
$custom-light: #8371df;
$custom-dark: #000000;

JSON

{
  "hex": "#3039cf",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 207
  },
  "hsl": {
    "h": 236.604,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.45187,
    "c": 0.22425,
    "h": 270.7
  },
  "luminance": 0.0806
}

Semantic roles & 50–950 ramp

primary

#3039CF

secondary

#D1CD8A

accent

#DC42E5

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3039CF

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

Preview Lab → · Contrast checker → · Palette generator →