#1E3582#1E3582

#1E3582 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.133 H 266.8°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#1E3582
RGB	rgb(30, 53, 130)
HSL	hsl(226, 63%, 31%)
HSV	hsv(226, 77%, 51%)
CMYK	cmyk(76.9%, 59.2%, 0%, 49%)
CIE-LAB	lab(25.06, 20.30, -45.97)
CIE-LCH	lch(25.06, 50.25, 293.82°)
OKLab	oklab(36.15% -0.0073 -0.1326)
OKLCH	oklch(36.15% 0.133 266.8)
XYZ	xyz(5.8364, 4.4333, 21.6629)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3582 #826B1E

analogous

#1E6782 #1E3582 #391E82

triadic

#1E3582 #821E35 #35821E

tetradic

#1E3582 #821E67 #826B1E #1E8239

square

#1E3582 #821E67 #826B1E #1E8239

split-complementary

#1E3582 #82391E #67821E

monochromatic

#070C1F #132150 #1E3582 #2949B4 #4667D4

Accessibility & contrast

On white

11.13

#1E3582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1E3582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3582

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3582	#FFFFFF	#000000	##FFFFFF
##1E3582	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004085

Deuteranopia (green-blind)

#003780

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e3582;
/* rgb */ color: rgb(30, 53, 130);
/* oklch */ color: oklch(36.1% 0.133 266.8);

Tailwind

colors: {
  custom: {
    50: '#6a6ba7',
    500: '#1e3582',
    950: '#000000',
  },
}

SCSS

$custom: #1e3582;
$custom-light: #6a6ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3582",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 130
  },
  "hsl": {
    "h": 226.2,
    "s": 62.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3615,
    "c": 0.13283,
    "h": 266.8
  },
  "luminance": 0.04434
}

Semantic roles & 50–950 ramp

primary

#1E3582

secondary

#B59C47

accent

#C042E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1E3582

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

Preview Lab → · Contrast checker → · Palette generator →