#304EBD#304EBD

#304EBD is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.1% C 0.178 H 267.5°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#304EBD
RGB	rgb(48, 78, 189)
HSL	hsl(227, 59%, 46%)
HSV	hsv(227, 75%, 74%)
CMYK	cmyk(74.6%, 58.7%, 0%, 25.9%)
CIE-LAB	lab(37.39, 28.31, -61.55)
CIE-LCH	lch(37.39, 67.75, 294.70°)
OKLab	oklab(47.1% -0.0079 -0.1777)
OKLCH	oklch(47.1% 0.178 267.5)
XYZ	xyz(13.1254, 9.7499, 49.3244)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304EBD #BD9F30

analogous

#3095BD #304EBD #5930BD

triadic

#304EBD #BD304E #4EBD30

tetradic

#304EBD #BD3095 #BD9F30 #30BD59

square

#304EBD #BD3095 #BD9F30 #30BD59

split-complementary

#304EBD #BD5930 #95BD30

monochromatic

#17265B #243A8C #304EBD #5671D4 #879AE0

Accessibility & contrast

On white

7.12

#304EBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#304EBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304EBD

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304EBD	#FFFFFF	#000000	##FFFFFF
##304EBD	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC1

Deuteranopia (green-blind)

#0052BB

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #304ebd;
/* rgb */ color: rgb(48, 78, 189);
/* oklch */ color: oklch(47.1% 0.178 267.5);

Tailwind

colors: {
  custom: {
    50: '#7d7fd2',
    500: '#304ebd',
    950: '#000000',
  },
}

SCSS

$custom: #304ebd;
$custom-light: #7d7fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#304ebd",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 189
  },
  "hsl": {
    "h": 227.234,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47096,
    "c": 0.17785,
    "h": 267.5
  },
  "luminance": 0.09751
}

Semantic roles & 50–950 ramp

primary

#304EBD

secondary

#CABA7F

accent

#C145E3

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #304EBD

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

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