#30397C#30397C

#30397C is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.6% C 0.113 H 273.9°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#30397C
RGB	rgb(48, 57, 124)
HSL	hsl(233, 44%, 34%)
HSV	hsv(233, 61%, 49%)
CMYK	cmyk(61.3%, 54%, 0%, 51.4%)
CIE-LAB	lab(26.76, 18.24, -39.39)
CIE-LCH	lch(26.76, 43.41, 294.84°)
OKLab	oklab(37.57% 0.0077 -0.1128)
OKLCH	oklch(37.57% 0.113 273.9)
XYZ	xyz(6.3190, 5.0094, 19.6988)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30397C #7C7330

analogous

#305F7C #30397C #4D307C

triadic

#30397C #7C3039 #397C30

tetradic

#30397C #7C305F #7C7330 #307C4D

square

#30397C #7C305F #7C7330 #307C4D

split-complementary

#30397C #7C4D30 #5F7C30

monochromatic

#0E1024 #1F2550 #30397C #414DA8 #646FC3

Accessibility & contrast

On white

10.49

#30397C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#30397C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30397C

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30397C	#FFFFFF	#000000	##FFFFFF
##30397C	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12437E

Deuteranopia (green-blind)

#003C7B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #30397c;
/* rgb */ color: rgb(48, 57, 124);
/* oklch */ color: oklch(37.6% 0.113 273.9);

Tailwind

colors: {
  custom: {
    50: '#706fa2',
    500: '#30397c',
    950: '#000000',
  },
}

SCSS

$custom: #30397c;
$custom-light: #706fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#30397c",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 124
  },
  "hsl": {
    "h": 232.895,
    "s": 44.186,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37565,
    "c": 0.11304,
    "h": 273.9
  },
  "luminance": 0.0501
}

Semantic roles & 50–950 ramp

primary

#30397C

secondary

#AAA15E

accent

#C554D4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #30397C

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

Preview Lab → · Contrast checker → · Palette generator →