#1E428A#1E428A

#1E428A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.127 H 262.3°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#1E428A
RGB	rgb(30, 66, 138)
HSL	hsl(220, 64%, 33%)
HSV	hsv(220, 78%, 54%)
CMYK	cmyk(78.3%, 52.2%, 0%, 45.9%)
CIE-LAB	lab(29.43, 14.46, -43.86)
CIE-LCH	lch(29.43, 46.18, 288.25°)
OKLab	oklab(39.66% -0.0171 -0.1262)
OKLCH	oklch(39.66% 0.127 262.3)
XYZ	xyz(7.0694, 6.0066, 24.8266)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E428A #8A661E

analogous

#1E788A #1E428A #301E8A

triadic

#1E428A #8A1E42 #428A1E

tetradic

#1E428A #8A1E78 #8A661E #1E8A30

square

#1E428A #8A1E78 #8A661E #1E8A30

split-complementary

#1E428A #8A301E #788A1E

monochromatic

#081225 #132A58 #1E428A #295ABC #4B7AD8

Accessibility & contrast

On white

9.54

#1E428A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1E428A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E428A

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E428A	#FFFFFF	#000000	##FFFFFF
##1E428A	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154B8D

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1e428a;
/* rgb */ color: rgb(30, 66, 138);
/* oklch */ color: oklch(39.7% 0.127 262.3);

Tailwind

colors: {
  custom: {
    50: '#6b75ad',
    500: '#1e428a',
    950: '#000000',
  },
}

SCSS

$custom: #1e428a;
$custom-light: #6b75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e428a",
  "rgb": {
    "r": 30,
    "g": 66,
    "b": 138
  },
  "hsl": {
    "h": 220,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39655,
    "c": 0.12734,
    "h": 262.3
  },
  "luminance": 0.06007
}

Semantic roles & 50–950 ramp

primary

#1E428A

secondary

#BA954A

accent

#B041E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1E428A

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

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