#1E3797#1E3797

#1E3797 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.160 H 267.0°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#1E3797
RGB	rgb(30, 55, 151)
HSL	hsl(228, 67%, 35%)
HSV	hsv(228, 80%, 59%)
CMYK	cmyk(80.1%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(27.41, 27.20, -55.13)
CIE-LCH	lch(27.41, 61.47, 296.26°)
OKLab	oklab(38.47% -0.0084 -0.1595)
OKLCH	oklch(38.47% 0.16 267)
XYZ	xyz(7.4856, 5.2419, 29.8894)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3797 #977E1E

analogous

#1E7497 #1E3797 #411E97

triadic

#1E3797 #971E37 #37971E

tetradic

#1E3797 #971E74 #977E1E #1E9741

square

#1E3797 #971E74 #977E1E #1E9741

split-complementary

#1E3797 #97411E #74971E

monochromatic

#0A1231 #142464 #1E3797 #284ACA #536FDD

Accessibility & contrast

On white

10.25

#1E3797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1E3797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3797

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3797	#FFFFFF	#000000	##FFFFFF
##1E3797	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003B95

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1e3797;
/* rgb */ color: rgb(30, 55, 151);
/* oklch */ color: oklch(38.5% 0.160 267.0);

Tailwind

colors: {
  custom: {
    50: '#6f6db6',
    500: '#1e3797',
    950: '#000000',
  },
}

SCSS

$custom: #1e3797;
$custom-light: #6f6db6;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3797",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 227.603,
    "s": 66.851,
    "l": 35.49
  },
  "oklch": {
    "l": 0.3847,
    "c": 0.1597,
    "h": 267
  },
  "luminance": 0.05243
}

Semantic roles & 50–950 ramp

primary

#1E3797

secondary

#C0A951

accent

#C63EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #1E3797

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

Preview Lab → · Contrast checker → · Palette generator →