#1E3480#1E3480

#1E3480 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.131 H 267.1°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#1E3480
RGB	rgb(30, 52, 128)
HSL	hsl(227, 62%, 31%)
HSV	hsv(227, 77%, 50%)
CMYK	cmyk(76.6%, 59.4%, 0%, 49.8%)
CIE-LAB	lab(24.61, 20.20, -45.44)
CIE-LCH	lch(24.61, 49.73, 293.97°)
OKLab	oklab(35.76% -0.0066 -0.1311)
OKLCH	oklch(35.76% 0.131 267.1)
XYZ	xyz(5.6583, 4.2899, 20.9477)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3480 #806A1E

analogous

#1E6580 #1E3480 #391E80

triadic

#1E3480 #801E34 #34801E

tetradic

#1E3480 #801E65 #806A1E #1E8039

square

#1E3480 #801E65 #806A1E #1E8039

split-complementary

#1E3480 #80391E #65801E

monochromatic

#070C1D #12204E #1E3480 #2A48B2 #4565D3

Accessibility & contrast

On white

11.30

#1E3480 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1E3480 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3480

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3480	#FFFFFF	#000000	##FFFFFF
##1E3480	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F83

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e3480;
/* rgb */ color: rgb(30, 52, 128);
/* oklch */ color: oklch(35.8% 0.131 267.1);

Tailwind

colors: {
  custom: {
    50: '#696ba5',
    500: '#1e3480',
    950: '#000000',
  },
}

SCSS

$custom: #1e3480;
$custom-light: #696ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3480",
  "rgb": {
    "r": 30,
    "g": 52,
    "b": 128
  },
  "hsl": {
    "h": 226.531,
    "s": 62.025,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35763,
    "c": 0.13127,
    "h": 267.1
  },
  "luminance": 0.04291
}

Semantic roles & 50–950 ramp

primary

#1E3480

secondary

#B39B47

accent

#C143E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1E3480

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

Preview Lab → · Contrast checker → · Palette generator →