#304CAA#304CAA

#304CAA is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.154 H 267.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#304CAA
RGB	rgb(48, 76, 170)
HSL	hsl(226, 56%, 43%)
HSV	hsv(226, 72%, 67%)
CMYK	cmyk(71.8%, 55.3%, 0%, 33.3%)
CIE-LAB	lab(35.40, 22.54, -53.56)
CIE-LCH	lch(35.40, 58.11, 292.82°)
OKLab	oklab(45.14% -0.0072 -0.1542)
OKLCH	oklch(45.14% 0.154 267.3)
XYZ	xyz(11.0565, 8.6984, 39.1187)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304CAA #AA8E30

analogous

#3089AA #304CAA #5130AA

triadic

#304CAA #AA304C #4CAA30

tetradic

#304CAA #AA3089 #AA8E30 #30AA51

square

#304CAA #AA3089 #AA8E30 #30AA51

split-complementary

#304CAA #AA5130 #89AA30

monochromatic

#15214B #23377A #304CAA #4B69CC #7B91DA

Accessibility & contrast

On white

7.66

#304CAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#304CAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304CAA

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304CAA	#FFFFFF	#000000	##FFFFFF
##304CAA	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AD

Deuteranopia (green-blind)

#004EA8

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #304caa;
/* rgb */ color: rgb(48, 76, 170);
/* oklch */ color: oklch(45.1% 0.154 267.3);

Tailwind

colors: {
  custom: {
    50: '#787dc4',
    500: '#304caa',
    950: '#000000',
  },
}

SCSS

$custom: #304caa;
$custom-light: #787dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#304caa",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 170
  },
  "hsl": {
    "h": 226.23,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45142,
    "c": 0.1544,
    "h": 267.3
  },
  "luminance": 0.087
}

Semantic roles & 50–950 ramp

primary

#304CAA

secondary

#C2B074

accent

#BD49DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304CAA

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

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