#1E3397#1E3397

#1E3397 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.165 H 267.9°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E3397
RGB	rgb(30, 51, 151)
HSL	hsl(230, 67%, 35%)
HSV	hsv(230, 80%, 59%)
CMYK	cmyk(80.1%, 66.2%, 0%, 40.8%)
CIE-LAB	lab(26.38, 29.89, -56.82)
CIE-LCH	lch(26.38, 64.20, 297.74°)
OKLab	oklab(37.71% -0.0061 -0.1645)
OKLCH	oklch(37.71% 0.165 267.9)
XYZ	xyz(7.3032, 4.8772, 29.8286)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3397 #97821E

analogous

#1E6F97 #1E3397 #461E97

triadic

#1E3397 #971E33 #33971E

tetradic

#1E3397 #971E6F #97821E #1E9746

square

#1E3397 #971E6F #97821E #1E9746

split-complementary

#1E3397 #97461E #6F971E

monochromatic

#0A1131 #142264 #1E3397 #2844CA #536BDD

Accessibility & contrast

On white

10.63

#1E3397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1E3397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3397

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3397	#FFFFFF	#000000	##FFFFFF
##1E3397	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449A

Deuteranopia (green-blind)

#003995

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e3397;
/* rgb */ color: rgb(30, 51, 151);
/* oklch */ color: oklch(37.7% 0.165 267.9);

Tailwind

colors: {
  custom: {
    50: '#6f6ab7',
    500: '#1e3397',
    950: '#000000',
  },
}

SCSS

$custom: #1e3397;
$custom-light: #6f6ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3397",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 151
  },
  "hsl": {
    "h": 229.587,
    "s": 66.851,
    "l": 35.49
  },
  "oklch": {
    "l": 0.3771,
    "c": 0.16458,
    "h": 267.9
  },
  "luminance": 0.04878
}

Semantic roles & 50–950 ramp

primary

#1E3397

secondary

#C0AD51

accent

#CC3EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1E3397

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

Preview Lab → · Contrast checker → · Palette generator →