#304EAC#304EAC

#304EAC is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.7% C 0.155 H 266.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#304EAC
RGB	rgb(48, 78, 172)
HSL	hsl(225, 56%, 43%)
HSV	hsv(225, 72%, 67%)
CMYK	cmyk(72.1%, 54.7%, 0%, 32.5%)
CIE-LAB	lab(36.09, 21.97, -53.63)
CIE-LCH	lch(36.09, 57.96, 292.27°)
OKLab	oklab(45.71% -0.0087 -0.1544)
OKLCH	oklch(45.71% 0.155 266.8)
XYZ	xyz(11.3871, 9.0545, 40.1693)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304EAC #AC8E30

analogous

#308CAC #304EAC #5030AC

triadic

#304EAC #AC304E #4EAC30

tetradic

#304EAC #AC308C #AC8E30 #30AC50

square

#304EAC #AC308C #AC8E30 #30AC50

split-complementary

#304EAC #AC5030 #8CAC30

monochromatic

#15234C #23387C #304EAC #4C6BCD #7C93DA

Accessibility & contrast

On white

7.47

#304EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#304EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304EAC

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304EAC	#FFFFFF	#000000	##FFFFFF
##304EAC	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015BAF

Deuteranopia (green-blind)

#004FAA

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #304eac;
/* rgb */ color: rgb(48, 78, 172);
/* oklch */ color: oklch(45.7% 0.155 266.8);

Tailwind

colors: {
  custom: {
    50: '#797fc5',
    500: '#304eac',
    950: '#000000',
  },
}

SCSS

$custom: #304eac;
$custom-light: #797fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#304eac",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 172
  },
  "hsl": {
    "h": 225.484,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.45711,
    "c": 0.15464,
    "h": 266.8
  },
  "luminance": 0.09056
}

Semantic roles & 50–950 ramp

primary

#304EAC

secondary

#C3B075

accent

#BB48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #304EAC

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

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