#304580#304580

#304580 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.5% C 0.102 H 267.0°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#304580
RGB	rgb(48, 69, 128)
HSL	hsl(224, 45%, 35%)
HSV	hsv(224, 63%, 50%)
CMYK	cmyk(62.5%, 46.1%, 0%, 49.8%)
CIE-LAB	lab(30.50, 11.53, -35.89)
CIE-LCH	lch(30.50, 37.69, 287.81°)
OKLab	oklab(40.49% -0.0053 -0.1023)
OKLCH	oklch(40.49% 0.102 267)
XYZ	xyz(7.2420, 6.4425, 21.2798)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304580 #806B30

analogous

#306D80 #304580 #433080

triadic

#304580 #803045 #458030

tetradic

#304580 #80306D #806B30 #308043

square

#304580 #80306D #806B30 #308043

split-complementary

#304580 #804330 #6D8030

monochromatic

#0F1527 #1F2D53 #304580 #415DAD #657EC5

Accessibility & contrast

On white

9.18

#304580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#304580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304580

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304580	#FFFFFF	#000000	##FFFFFF
##304580	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4C82

Deuteranopia (green-blind)

#1E447F

Tritanopia (blue-blind)

#00525C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #304580;
/* rgb */ color: rgb(48, 69, 128);
/* oklch */ color: oklch(40.5% 0.102 267.0);

Tailwind

colors: {
  custom: {
    50: '#7078a5',
    500: '#304580',
    950: '#000000',
  },
}

SCSS

$custom: #304580;
$custom-light: #7078a5;
$custom-dark: #000000;

JSON

{
  "hex": "#304580",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 128
  },
  "hsl": {
    "h": 224.25,
    "s": 45.455,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40495,
    "c": 0.10248,
    "h": 267
  },
  "luminance": 0.06443
}

Semantic roles & 50–950 ramp

primary

#304580

secondary

#AC985F

accent

#B353D5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #304580

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

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