#304DB0#304DB0

#304DB0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.161 H 267.3°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#304DB0
RGB	rgb(48, 77, 176)
HSL	hsl(226, 57%, 44%)
HSV	hsv(226, 73%, 69%)
CMYK	cmyk(72.7%, 56.2%, 0%, 31%)
CIE-LAB	lab(36.12, 24.13, -55.96)
CIE-LCH	lch(36.12, 60.94, 293.32°)
OKLab	oklab(45.83% -0.0076 -0.1613)
OKLCH	oklch(45.83% 0.161 267.3)
XYZ	xyz(11.7066, 9.0695, 42.1995)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DB0 #B09330

analogous

#308DB0 #304DB0 #5330B0

triadic

#304DB0 #B0304D #4DB030

tetradic

#304DB0 #B0308D #B09330 #30B053

square

#304DB0 #B0308D #B09330 #30B053

split-complementary

#304DB0 #B05330 #8DB030

monochromatic

#162350 #233880 #304DB0 #4E6BCF #7E94DC

Accessibility & contrast

On white

7.46

#304DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#304DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DB0

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DB0	#FFFFFF	#000000	##FFFFFF
##304DB0	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB3

Deuteranopia (green-blind)

#004FAE

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #304db0;
/* rgb */ color: rgb(48, 77, 176);
/* oklch */ color: oklch(45.8% 0.161 267.3);

Tailwind

colors: {
  custom: {
    50: '#7a7ec8',
    500: '#304db0',
    950: '#000000',
  },
}

SCSS

$custom: #304db0;
$custom-light: #7a7ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#304db0",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 176
  },
  "hsl": {
    "h": 226.406,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45827,
    "c": 0.16144,
    "h": 267.3
  },
  "luminance": 0.09071
}

Semantic roles & 50–950 ramp

primary

#304DB0

secondary

#C5B377

accent

#BE47E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304DB0

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

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