#1E3387#1E3387

#1E3387 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.143 H 267.7°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#1E3387
RGB	rgb(30, 51, 135)
HSL	hsl(228, 64%, 32%)
HSV	hsv(228, 78%, 53%)
CMYK	cmyk(77.8%, 62.2%, 0%, 47.1%)
CIE-LAB	lab(24.93, 23.67, -49.31)
CIE-LCH	lch(24.93, 54.69, 295.65°)
OKLab	oklab(36.19% -0.0057 -0.1424)
OKLCH	oklch(36.19% 0.143 267.7)
XYZ	xyz(6.0909, 4.3923, 23.4438)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3387 #87721E

analogous

#1E6887 #1E3387 #3E1E87

triadic

#1E3387 #871E33 #33871E

tetradic

#1E3387 #871E68 #87721E #1E873E

square

#1E3387 #871E68 #87721E #1E873E

split-complementary

#1E3387 #873E1E #68871E

monochromatic

#080D23 #132055 #1E3387 #2946B9 #4965D7

Accessibility & contrast

On white

11.18

#1E3387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1E3387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3387

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3387	#FFFFFF	#000000	##FFFFFF
##1E3387	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408A

Deuteranopia (green-blind)

#003685

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e3387;
/* rgb */ color: rgb(30, 51, 135);
/* oklch */ color: oklch(36.2% 0.143 267.7);

Tailwind

colors: {
  custom: {
    50: '#6b6aab',
    500: '#1e3387',
    950: '#000000',
  },
}

SCSS

$custom: #1e3387;
$custom-light: #6b6aab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3387",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 135
  },
  "hsl": {
    "h": 228,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36188,
    "c": 0.14256,
    "h": 267.7
  },
  "luminance": 0.04393
}

Semantic roles & 50–950 ramp

primary

#1E3387

secondary

#B9A248

accent

#C641E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1E3387

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

Preview Lab → · Contrast checker → · Palette generator →