#30428C#30428C

#30428C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.125 H 269.8°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#30428C
RGB	rgb(48, 66, 140)
HSL	hsl(228, 49%, 37%)
HSV	hsv(228, 66%, 55%)
CMYK	cmyk(65.7%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(30.44, 18.02, -43.41)
CIE-LCH	lch(30.44, 47.00, 292.54°)
OKLab	oklab(40.71% -0.0004 -0.1245)
OKLCH	oklch(40.71% 0.125 269.8)
XYZ	xyz(7.8992, 6.4176, 25.6283)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30428C #8C7A30

analogous

#30708C #30428C #4C308C

triadic

#30428C #8C3042 #428C30

tetradic

#30428C #8C3070 #8C7A30 #308C4C

square

#30428C #8C3070 #8C7A30 #308C4C

split-complementary

#30428C #8C4C30 #708C30

monochromatic

#111731 #202D5E #30428C #4057BA #6A7DCC

Accessibility & contrast

On white

9.20

#30428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#30428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30428C

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30428C	#FFFFFF	#000000	##FFFFFF
##30428C	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164C8F

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #30428c;
/* rgb */ color: rgb(48, 66, 140);
/* oklch */ color: oklch(40.7% 0.125 269.8);

Tailwind

colors: {
  custom: {
    50: '#7376ae',
    500: '#30428c',
    950: '#000000',
  },
}

SCSS

$custom: #30428c;
$custom-light: #7376ae;
$custom-dark: #000000;

JSON

{
  "hex": "#30428c",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 228.261,
    "s": 48.936,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40708,
    "c": 0.12451,
    "h": 269.8
  },
  "luminance": 0.06418
}

Semantic roles & 50–950 ramp

primary

#30428C

secondary

#B3A464

accent

#BE4FD8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #30428C

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

Preview Lab → · Contrast checker → · Palette generator →