#30379C#30379C

#30379C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.162 H 273.4°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#30379C
RGB	rgb(48, 55, 156)
HSL	hsl(236, 53%, 40%)
HSV	hsv(236, 69%, 61%)
CMYK	cmyk(69.2%, 64.7%, 0%, 38.8%)
CIE-LAB	lab(28.80, 31.23, -55.88)
CIE-LCH	lch(28.80, 64.01, 299.20°)
OKLab	oklab(39.88% 0.0097 -0.1613)
OKLCH	oklch(39.88% 0.162 273.4)
XYZ	xyz(8.5839, 5.7603, 32.1055)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30379C #9C9530

analogous

#306D9C #30379C #5F309C

triadic

#30379C #9C3037 #379C30

tetradic

#30379C #9C306D #9C9530 #309C5F

square

#30379C #9C306D #9C9530 #309C5F

split-complementary

#30379C #9C5F30 #6D9C30

monochromatic

#13163E #22276D #30379C #444CC5 #7379D4

Accessibility & contrast

On white

9.76

#30379C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#30379C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30379C

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30379C	#FFFFFF	#000000	##FFFFFF
##30379C	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#003F9A

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #30379c;
/* rgb */ color: rgb(48, 55, 156);
/* oklch */ color: oklch(39.9% 0.162 273.4);

Tailwind

colors: {
  custom: {
    50: '#776eba',
    500: '#30379c',
    950: '#000000',
  },
}

SCSS

$custom: #30379c;
$custom-light: #776eba;
$custom-dark: #000000;

JSON

{
  "hex": "#30379c",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 156
  },
  "hsl": {
    "h": 236.111,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.39883,
    "c": 0.16155,
    "h": 273.4
  },
  "luminance": 0.05761
}

Semantic roles & 50–950 ramp

primary

#30379C

secondary

#BCB66C

accent

#D34BDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30379C

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

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