#30397E#30397E

#30397E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.7% C 0.116 H 273.9°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#30397E
RGB	rgb(48, 57, 126)
HSL	hsl(233, 45%, 34%)
HSV	hsv(233, 62%, 49%)
CMYK	cmyk(61.9%, 54.8%, 0%, 50.6%)
CIE-LAB	lab(26.91, 18.97, -40.41)
CIE-LCH	lch(26.91, 44.64, 295.14°)
OKLab	oklab(37.72% 0.0079 -0.1158)
OKLCH	oklch(37.72% 0.116 273.9)
XYZ	xyz(6.4467, 5.0605, 20.3717)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30397E #7E7530

analogous

#30607E #30397E #4E307E

triadic

#30397E #7E3039 #397E30

tetradic

#30397E #7E3060 #7E7530 #307E4E

square

#30397E #7E3060 #7E7530 #307E4E

split-complementary

#30397E #7E4E30 #607E30

monochromatic

#0E1125 #1F2552 #30397E #414DAA #646FC4

Accessibility & contrast

On white

10.44

#30397E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#30397E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30397E

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30397E	#FFFFFF	#000000	##FFFFFF
##30397E	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4380

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #30397e;
/* rgb */ color: rgb(48, 57, 126);
/* oklch */ color: oklch(37.7% 0.116 273.9);

Tailwind

colors: {
  custom: {
    50: '#706fa4',
    500: '#30397e',
    950: '#000000',
  },
}

SCSS

$custom: #30397e;
$custom-light: #706fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#30397e",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 126
  },
  "hsl": {
    "h": 233.077,
    "s": 44.828,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3772,
    "c": 0.11607,
    "h": 273.9
  },
  "luminance": 0.05061
}

Semantic roles & 50–950 ramp

primary

#30397E

secondary

#ABA25F

accent

#C653D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #30397E

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

Preview Lab → · Contrast checker → · Palette generator →