#30378E#30378E

#30378E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.142 H 274.1°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#30378E
RGB	rgb(48, 55, 142)
HSL	hsl(236, 49%, 37%)
HSV	hsv(236, 66%, 56%)
CMYK	cmyk(66.2%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(27.61, 26.17, -49.24)
CIE-LCH	lch(27.61, 55.76, 297.99°)
OKLab	oklab(38.64% 0.0103 -0.1418)
OKLCH	oklch(38.64% 0.142 274.1)
XYZ	xyz(7.4660, 5.3131, 26.2180)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30378E #8E8730

analogous

#30668E #30378E #58308E

triadic

#30378E #8E3037 #378E30

tetradic

#30378E #8E3066 #8E8730 #308E58

square

#30378E #8E3066 #8E8730 #308E58

split-complementary

#30378E #8E5830 #668E30

monochromatic

#111433 #212560 #30378E #3F49BC #6B73CD

Accessibility & contrast

On white

10.18

#30378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#30378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30378E

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30378E	#FFFFFF	#000000	##FFFFFF
##30378E	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #30378e;
/* rgb */ color: rgb(48, 55, 142);
/* oklch */ color: oklch(38.6% 0.142 274.1);

Tailwind

colors: {
  custom: {
    50: '#746db0',
    500: '#30378e',
    950: '#000000',
  },
}

SCSS

$custom: #30378e;
$custom-light: #746db0;
$custom-dark: #000000;

JSON

{
  "hex": "#30378e",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 235.532,
    "s": 49.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38636,
    "c": 0.14214,
    "h": 274.1
  },
  "luminance": 0.05314
}

Semantic roles & 50–950 ramp

primary

#30378E

secondary

#B4AF65

accent

#CF4FD9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30378E

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

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