Vibrant Blue#0339F8

#0339F8 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.4% C 0.279 H 264.1°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Vibrant Blue — editorial page

Color values

HEX	#0339F8
RGB	rgb(3, 57, 248)
HSL	hsl(227, 98%, 49%)
HSV	hsv(227, 99%, 97%)
CMYK	cmyk(98.8%, 77%, 0%, 2.7%)
CIE-LAB	lab(37.34, 59.55, -95.53)
CIE-LCH	lch(37.34, 112.56, 301.94°)
OKLab	oklab(48.44% -0.0284 -0.2771)
OKLCH	oklch(48.44% 0.279 264.1)
XYZ	xyz(18.4380, 9.7204, 89.6931)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0339F8 #F8C203

analogous

#03B3F8 #0339F8 #4803F8

triadic

#0339F8 #F80339 #39F803

tetradic

#0339F8 #F803B3 #F8C203 #03F848

square

#0339F8 #F803B3 #F8C203 #03F848

split-complementary

#0339F8 #F84803 #B3F803

monochromatic

#021D7F #022BBC #0339F8 #3C66FD #7895FD

Accessibility & contrast

On white

7.13

#0339F8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#0339F8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0339F8

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0339F8	#FFFFFF	#000000	##FFFFFF
##0339F8	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063FD

Deuteranopia (green-blind)

#004CF5

Tritanopia (blue-blind)

#007598

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #0339f8;
/* rgb */ color: rgb(3, 57, 248);
/* oklch */ color: oklch(48.4% 0.279 264.1);

Tailwind

colors: {
  custom: {
    50: '#8572fc',
    500: '#0339f8',
    950: '#000000',
  },
}

SCSS

$custom: #0339f8;
$custom-light: #8572fc;
$custom-dark: #000000;

JSON

{
  "hex": "#0339f8",
  "rgb": {
    "r": 3,
    "g": 57,
    "b": 248
  },
  "hsl": {
    "h": 226.776,
    "s": 97.61,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48439,
    "c": 0.27856,
    "h": 264.1
  },
  "luminance": 0.09723
}

Semantic roles & 50–950 ramp

primary

#0339F8

secondary

#E5CB72

accent

#D029FF

background

#F9F7FF

surface

#F2EDFF

border

#CCC8D7

text

#0E0818

muted

#7E7B86

Preview Lab

Preview with #0339F8

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

Preview Lab → · Contrast checker → · Palette generator →