#30368B#30368B

#30368B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.2% C 0.139 H 274.6°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#30368B
RGB	rgb(48, 54, 139)
HSL	hsl(236, 49%, 37%)
HSV	hsv(236, 65%, 55%)
CMYK	cmyk(65.5%, 61.2%, 0%, 45.5%)
CIE-LAB	lab(27.10, 25.74, -48.21)
CIE-LCH	lch(27.10, 54.65, 298.10°)
OKLab	oklab(38.19% 0.0112 -0.1388)
OKLCH	oklch(38.19% 0.139 274.6)
XYZ	xyz(7.1968, 5.1302, 25.0321)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30368B #8B8530

analogous

#30648B #30368B #58308B

triadic

#30368B #8B3036 #368B30

tetradic

#30368B #8B3064 #8B8530 #308B58

square

#30368B #8B3064 #8B8530 #308B58

split-complementary

#30368B #8B5830 #648B30

monochromatic

#111330 #20245E #30368B #4048B8 #6A70CC

Accessibility & contrast

On white

10.36

#30368B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#30368B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30368B

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30368B	#FFFFFF	#000000	##FFFFFF
##30368B	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #30368b;
/* rgb */ color: rgb(48, 54, 139);
/* oklch */ color: oklch(38.2% 0.139 274.6);

Tailwind

colors: {
  custom: {
    50: '#736dae',
    500: '#30368b',
    950: '#000000',
  },
}

SCSS

$custom: #30368b;
$custom-light: #736dae;
$custom-dark: #000000;

JSON

{
  "hex": "#30368b",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 139
  },
  "hsl": {
    "h": 236.044,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38185,
    "c": 0.1392,
    "h": 274.6
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary

#30368B

secondary

#B3AE64

accent

#CF50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30368B

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

Preview Lab → · Contrast checker → · Palette generator →