#1E3E8A#1E3E8A

#1E3E8A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.133 H 264.0°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#1E3E8A
RGB	rgb(30, 62, 138)
HSL	hsl(222, 64%, 33%)
HSV	hsv(222, 78%, 54%)
CMYK	cmyk(78.3%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(28.26, 17.23, -45.75)
CIE-LCH	lch(28.26, 48.88, 290.64°)
OKLab	oklab(38.77% -0.0139 -0.1318)
OKLCH	oklch(38.77% 0.133 264)
XYZ	xyz(6.8439, 5.5555, 24.7514)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3E8A #8A6A1E

analogous

#1E748A #1E3E8A #341E8A

triadic

#1E3E8A #8A1E3E #3E8A1E

tetradic

#1E3E8A #8A1E74 #8A6A1E #1E8A34

square

#1E3E8A #8A1E74 #8A6A1E #1E8A34

split-complementary

#1E3E8A #8A341E #748A1E

monochromatic

#081125 #132758 #1E3E8A #2955BC #4B74D8

Accessibility & contrast

On white

9.95

#1E3E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1E3E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3E8A

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3E8A	#FFFFFF	#000000	##FFFFFF
##1E3E8A	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02488D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e3e8a;
/* rgb */ color: rgb(30, 62, 138);
/* oklch */ color: oklch(38.8% 0.133 264.0);

Tailwind

colors: {
  custom: {
    50: '#6b72ad',
    500: '#1e3e8a',
    950: '#000000',
  },
}

SCSS

$custom: #1e3e8a;
$custom-light: #6b72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3e8a",
  "rgb": {
    "r": 30,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 222.222,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38768,
    "c": 0.13255,
    "h": 264
  },
  "luminance": 0.05556
}

Semantic roles & 50–950 ramp

primary

#1E3E8A

secondary

#BA994A

accent

#B641E7

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1E3E8A

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

Preview Lab → · Contrast checker → · Palette generator →