#1E3771#1E3771

#1E3771 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.2% C 0.105 H 264.2°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#1E3771
RGB	rgb(30, 55, 113)
HSL	hsl(222, 58%, 28%)
HSV	hsv(222, 73%, 44%)
CMYK	cmyk(73.5%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(24.32, 12.05, -36.40)
CIE-LCH	lch(24.32, 38.34, 288.32°)
OKLab	oklab(35.18% -0.0106 -0.1044)
OKLCH	oklch(35.18% 0.105 264.2)
XYZ	xyz(4.8812, 4.2001, 16.1730)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3771 #71581E

analogous

#1E6071 #1E3771 #2F1E71

triadic

#1E3771 #711E37 #37711E

tetradic

#1E3771 #711E60 #71581E #1E712F

square

#1E3771 #711E60 #71581E #1E712F

split-complementary

#1E3771 #712F1E #60711E

monochromatic

#060C18 #111F41 #1E3771 #2B4FA1 #3E68CC

Accessibility & contrast

On white

11.41

#1E3771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1E3771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3771

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3771	#FFFFFF	#000000	##FFFFFF
##1E3771	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173E73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e3771;
/* rgb */ color: rgb(30, 55, 113);
/* oklch */ color: oklch(35.2% 0.105 264.2);

Tailwind

colors: {
  custom: {
    50: '#656d9a',
    500: '#1e3771',
    950: '#000000',
  },
}

SCSS

$custom: #1e3771;
$custom-light: #656d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3771",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 221.928,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35178,
    "c": 0.10498,
    "h": 264.2
  },
  "luminance": 0.04201
}

Semantic roles & 50–950 ramp

primary

#1E3771

secondary

#A58846

accent

#B347E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1E3771

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

Preview Lab → · Contrast checker → · Palette generator →