#304D7D#304D7D

#304D7D is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.2% C 0.088 H 260.0°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#304D7D
RGB	rgb(48, 77, 125)
HSL	hsl(217, 45%, 34%)
HSV	hsv(217, 62%, 49%)
CMYK	cmyk(61.6%, 38.4%, 0%, 51%)
CIE-LAB	lab(32.74, 5.09, -30.47)
CIE-LCH	lch(32.74, 30.89, 279.47°)
OKLab	oklab(42.16% -0.0152 -0.0864)
OKLCH	oklch(42.16% 0.088 260)
XYZ	xyz(7.5732, 7.4161, 20.4304)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304D7D #7D6030

analogous

#30747D #304D7D #3A307D

triadic

#304D7D #7D304D #4D7D30

tetradic

#304D7D #7D3074 #7D6030 #307D3A

square

#304D7D #7D3074 #7D6030 #307D3A

split-complementary

#304D7D #7D3A30 #747D30

monochromatic

#0E1725 #1F3251 #304D7D #4168A9 #6488C3

Accessibility & contrast

On white

8.46

#304D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#304D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304D7D

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304D7D	#FFFFFF	#000000	##FFFFFF
##304D7D	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39517F

Deuteranopia (green-blind)

#2F4A7C

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #304d7d;
/* rgb */ color: rgb(48, 77, 125);
/* oklch */ color: oklch(42.2% 0.088 260.0);

Tailwind

colors: {
  custom: {
    50: '#6f7ea3',
    500: '#304d7d',
    950: '#000000',
  },
}

SCSS

$custom: #304d7d;
$custom-light: #6f7ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#304d7d",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 125
  },
  "hsl": {
    "h": 217.403,
    "s": 44.509,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42161,
    "c": 0.0877,
    "h": 260
  },
  "luminance": 0.07417
}

Semantic roles & 50–950 ramp

primary

#304D7D

secondary

#AB8E5E

accent

#A454D4

background

#F7F7FA

surface

#EDEEF3

border

#C8C9CD

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #304D7D

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

Preview Lab → · Contrast checker → · Palette generator →