#30367B#30367B

#30367B is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.9% C 0.116 H 275.4°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#30367B
RGB	rgb(48, 54, 123)
HSL	hsl(235, 44%, 34%)
HSV	hsv(235, 61%, 48%)
CMYK	cmyk(61%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(25.85, 19.92, -40.23)
CIE-LCH	lch(25.85, 44.89, 296.35°)
OKLab	oklab(36.86% 0.0109 -0.1153)
OKLCH	oklch(36.86% 0.116 275.4)
XYZ	xyz(6.1121, 4.6963, 19.3194)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30367B #7B7530

analogous

#305B7B #30367B #4F307B

triadic

#30367B #7B3036 #367B30

tetradic

#30367B #7B305B #7B7530 #307B4F

square

#30367B #7B305B #7B7530 #307B4F

split-complementary

#30367B #7B4F30 #5B7B30

monochromatic

#0E0F23 #1F234F #30367B #4149A7 #636BC2

Accessibility & contrast

On white

10.83

#30367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#30367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30367B

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30367B	#FFFFFF	#000000	##FFFFFF
##30367B	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09407D

Deuteranopia (green-blind)

#003A7A

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #30367b;
/* rgb */ color: rgb(48, 54, 123);
/* oklch */ color: oklch(36.9% 0.116 275.4);

Tailwind

colors: {
  custom: {
    50: '#706ca2',
    500: '#30367b',
    950: '#000000',
  },
}

SCSS

$custom: #30367b;
$custom-light: #706ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#30367b",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 235.2,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36858,
    "c": 0.1158,
    "h": 275.4
  },
  "luminance": 0.04697
}

Semantic roles & 50–950 ramp

primary

#30367B

secondary

#A9A35D

accent

#C954D4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #30367B

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

Preview Lab → · Contrast checker → · Palette generator →