#30378D#30378D

#30378D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.141 H 274.2°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#30378D
RGB	rgb(48, 55, 141)
HSL	hsl(235, 49%, 37%)
HSV	hsv(235, 66%, 55%)
CMYK	cmyk(66%, 61%, 0%, 44.7%)
CIE-LAB	lab(27.53, 25.80, -48.75)
CIE-LCH	lch(27.53, 55.16, 297.89°)
OKLab	oklab(38.55% 0.0103 -0.1403)
OKLCH	oklch(38.55% 0.141 274.2)
XYZ	xyz(7.3912, 5.2832, 25.8244)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30378D #8D8630

analogous

#30668D #30378D #58308D

triadic

#30378D #8D3037 #378D30

tetradic

#30378D #8D3066 #8D8630 #308D58

square

#30378D #8D3066 #8D8630 #308D58

split-complementary

#30378D #8D5830 #668D30

monochromatic

#111332 #20255F #30378D #4049BB #6B72CD

Accessibility & contrast

On white

10.21

#30378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#30378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30378D

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30378D	#FFFFFF	#000000	##FFFFFF
##30378D	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #30378d;
/* rgb */ color: rgb(48, 55, 141);
/* oklch */ color: oklch(38.6% 0.141 274.2);

Tailwind

colors: {
  custom: {
    50: '#746daf',
    500: '#30378d',
    950: '#000000',
  },
}

SCSS

$custom: #30378d;
$custom-light: #746daf;
$custom-dark: #000000;

JSON

{
  "hex": "#30378d",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 235.484,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3855,
    "c": 0.14072,
    "h": 274.2
  },
  "luminance": 0.05284
}

Semantic roles & 50–950 ramp

primary

#30378D

secondary

#B4AE65

accent

#CE4FD9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30378D

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

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