#30379D#30379D

#30379D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.163 H 273.4°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#30379D
RGB	rgb(48, 55, 157)
HSL	hsl(236, 53%, 40%)
HSV	hsv(236, 69%, 62%)
CMYK	cmyk(69.4%, 65%, 0%, 38.4%)
CIE-LAB	lab(28.89, 31.59, -56.34)
CIE-LCH	lch(28.89, 64.59, 299.28°)
OKLab	oklab(39.98% 0.0096 -0.1626)
OKLCH	oklch(39.98% 0.163 273.4)
XYZ	xyz(8.6689, 5.7943, 32.5533)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30379D #9D9630

analogous

#306D9D #30379D #60309D

triadic

#30379D #9D3037 #379D30

tetradic

#30379D #9D306D #9D9630 #309D60

square

#30379D #9D306D #9D9630 #309D60

split-complementary

#30379D #9D6030 #6D9D30

monochromatic

#13163F #22276E #30379D #444DC6 #7379D4

Accessibility & contrast

On white

9.73

#30379D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#30379D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30379D

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30379D	#FFFFFF	#000000	##FFFFFF
##30379D	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #30379d;
/* rgb */ color: rgb(48, 55, 157);
/* oklch */ color: oklch(40.0% 0.163 273.4);

Tailwind

colors: {
  custom: {
    50: '#776ebb',
    500: '#30379d',
    950: '#000000',
  },
}

SCSS

$custom: #30379d;
$custom-light: #776ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#30379d",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 157
  },
  "hsl": {
    "h": 236.147,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39975,
    "c": 0.16291,
    "h": 273.4
  },
  "luminance": 0.05795
}

Semantic roles & 50–950 ramp

primary

#30379D

secondary

#BCB76D

accent

#D34BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30379D

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

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