#1E3373#1E3373

#1E3373 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.113 H 266.7°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#1E3373
RGB	rgb(30, 51, 115)
HSL	hsl(225, 59%, 28%)
HSV	hsv(225, 74%, 45%)
CMYK	cmyk(73.9%, 55.7%, 0%, 54.9%)
CIE-LAB	lab(23.27, 15.69, -39.37)
CIE-LCH	lch(23.27, 42.38, 291.73°)
OKLab	oklab(34.43% -0.0066 -0.1132)
OKLCH	oklch(34.43% 0.113 266.7)
XYZ	xyz(4.8127, 3.8810, 16.7118)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3373 #735E1E

analogous

#1E5D73 #1E3373 #331E73

triadic

#1E3373 #731E33 #33731E

tetradic

#1E3373 #731E5D #735E1E #1E7333

square

#1E3373 #731E5D #735E1E #1E7333

split-complementary

#1E3373 #73331E #5D731E

monochromatic

#060B18 #111D42 #1E3373 #2B49A4 #3F62CD

Accessibility & contrast

On white

11.82

#1E3373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1E3373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3373

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3373	#FFFFFF	#000000	##FFFFFF
##1E3373	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063C75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1e3373;
/* rgb */ color: rgb(30, 51, 115);
/* oklch */ color: oklch(34.4% 0.113 266.7);

Tailwind

colors: {
  custom: {
    50: '#666a9c',
    500: '#1e3373',
    950: '#000000',
  },
}

SCSS

$custom: #1e3373;
$custom-light: #666a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3373",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 115
  },
  "hsl": {
    "h": 225.176,
    "s": 58.621,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3443,
    "c": 0.11344,
    "h": 266.7
  },
  "luminance": 0.03881
}

Semantic roles & 50–950 ramp

primary

#1E3373

secondary

#A78F46

accent

#BB46E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1E3373

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

Preview Lab → · Contrast checker → · Palette generator →