#1E428F#1E428F

#1E428F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.135 H 262.9°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#1E428F
RGB	rgb(30, 66, 143)
HSL	hsl(221, 65%, 34%)
HSV	hsv(221, 79%, 56%)
CMYK	cmyk(79%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(29.80, 16.47, -46.34)
CIE-LCH	lch(29.80, 49.18, 289.57°)
OKLab	oklab(40.06% -0.0165 -0.1335)
OKLCH	oklch(40.06% 0.135 262.9)
XYZ	xyz(7.4398, 6.1548, 26.7772)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E428F #8F6B1E

analogous

#1E7B8F #1E428F #331E8F

triadic

#1E428F #8F1E42 #428F1E

tetradic

#1E428F #8F1E7B #8F6B1E #1E8F33

square

#1E428F #8F1E7B #8F6B1E #1E8F33

split-complementary

#1E428F #8F331E #7B8F1E

monochromatic

#09132A #132B5C #1E428F #2959C2 #4E7ADA

Accessibility & contrast

On white

9.41

#1E428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1E428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E428F

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E428F	#FFFFFF	#000000	##FFFFFF
##1E428F	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4C92

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1e428f;
/* rgb */ color: rgb(30, 66, 143);
/* oklch */ color: oklch(40.1% 0.135 262.9);

Tailwind

colors: {
  custom: {
    50: '#6c75b0',
    500: '#1e428f',
    950: '#000000',
  },
}

SCSS

$custom: #1e428f;
$custom-light: #6c75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e428f",
  "rgb": {
    "r": 30,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 220.885,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40055,
    "c": 0.1345,
    "h": 262.9
  },
  "luminance": 0.06156
}

Semantic roles & 50–950 ramp

primary

#1E428F

secondary

#BC994C

accent

#B340E8

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1E428F

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

Preview Lab → · Contrast checker → · Palette generator →