#30508B#30508B

#30508B is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.8% C 0.105 H 261.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#30508B
RGB	rgb(48, 80, 139)
HSL	hsl(219, 49%, 37%)
HSV	hsv(219, 65%, 55%)
CMYK	cmyk(65.5%, 42.4%, 0%, 45.5%)
CIE-LAB	lab(34.46, 8.25, -36.37)
CIE-LCH	lch(34.46, 37.29, 282.79°)
OKLab	oklab(43.76% -0.0153 -0.1036)
OKLCH	oklch(43.76% 0.105 261.6)
XYZ	xyz(8.7461, 8.2290, 25.5485)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30508B #8B6B30

analogous

#307E8B #30508B #3E308B

triadic

#30508B #8B3050 #508B30

tetradic

#30508B #8B307E #8B6B30 #308B3E

square

#30508B #8B307E #8B6B30 #308B3E

split-complementary

#30508B #8B3E30 #7E8B30

monochromatic

#111C30 #20365E #30508B #406AB8 #6A8CCC

Accessibility & contrast

On white

7.94

#30508B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#30508B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30508B

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30508B	#FFFFFF	#000000	##FFFFFF
##30508B	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35568D

Deuteranopia (green-blind)

#284D8A

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #30508b;
/* rgb */ color: rgb(48, 80, 139);
/* oklch */ color: oklch(43.8% 0.105 261.6);

Tailwind

colors: {
  custom: {
    50: '#7280ad',
    500: '#30508b',
    950: '#000000',
  },
}

SCSS

$custom: #30508b;
$custom-light: #7280ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30508b",
  "rgb": {
    "r": 48,
    "g": 80,
    "b": 139
  },
  "hsl": {
    "h": 218.901,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43757,
    "c": 0.10472,
    "h": 261.6
  },
  "luminance": 0.0823
}

Semantic roles & 50–950 ramp

primary

#30508B

secondary

#B39764

accent

#A850D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #30508B

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

Preview Lab → · Contrast checker → · Palette generator →