#1E428C#1E428C

#1E428C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.130 H 262.5°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#1E428C
RGB	rgb(30, 66, 140)
HSL	hsl(220, 65%, 33%)
HSV	hsv(220, 79%, 55%)
CMYK	cmyk(78.6%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(29.58, 15.26, -44.85)
CIE-LCH	lch(29.58, 47.38, 288.79°)
OKLab	oklab(39.81% -0.0169 -0.1291)
OKLCH	oklch(39.81% 0.13 262.5)
XYZ	xyz(7.2156, 6.0651, 25.5963)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E428C #8C681E

analogous

#1E798C #1E428C #311E8C

triadic

#1E428C #8C1E42 #428C1E

tetradic

#1E428C #8C1E79 #8C681E #1E8C31

square

#1E428C #8C1E79 #8C681E #1E8C31

split-complementary

#1E428C #8C311E #798C1E

monochromatic

#081227 #132A5A #1E428C #295ABE #4C7AD9

Accessibility & contrast

On white

9.49

#1E428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1E428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E428C

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E428C	#FFFFFF	#000000	##FFFFFF
##1E428C	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114B8F

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1e428c;
/* rgb */ color: rgb(30, 66, 140);
/* oklch */ color: oklch(39.8% 0.130 262.5);

Tailwind

colors: {
  custom: {
    50: '#6b75ae',
    500: '#1e428c',
    950: '#000000',
  },
}

SCSS

$custom: #1e428c;
$custom-light: #6b75ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e428c",
  "rgb": {
    "r": 30,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 220.364,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.39814,
    "c": 0.13021,
    "h": 262.5
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#1E428C

secondary

#BB964B

accent

#B140E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1E428C

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

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