#1E3871#1E3871

#1E3871 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.104 H 263.6°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#1E3871
RGB	rgb(30, 56, 113)
HSL	hsl(221, 58%, 28%)
HSV	hsv(221, 73%, 44%)
CMYK	cmyk(73.5%, 50.4%, 0%, 55.7%)
CIE-LAB	lab(24.63, 11.34, -35.91)
CIE-LCH	lch(24.63, 37.66, 287.53°)
OKLab	oklab(35.41% -0.0116 -0.103)
OKLCH	oklch(35.41% 0.104 263.6)
XYZ	xyz(4.9292, 4.2961, 16.1890)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3871 #71571E

analogous

#1E6171 #1E3871 #2D1E71

triadic

#1E3871 #711E38 #38711E

tetradic

#1E3871 #711E61 #71571E #1E712D

square

#1E3871 #711E61 #71571E #1E712D

split-complementary

#1E3871 #712D1E #61711E

monochromatic

#060C18 #112041 #1E3871 #2B50A1 #3E6ACC

Accessibility & contrast

On white

11.29

#1E3871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1E3871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3871

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3871	#FFFFFF	#000000	##FFFFFF
##1E3871	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193F73

Deuteranopia (green-blind)

#043770

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e3871;
/* rgb */ color: rgb(30, 56, 113);
/* oklch */ color: oklch(35.4% 0.104 263.6);

Tailwind

colors: {
  custom: {
    50: '#656e9a',
    500: '#1e3871',
    950: '#000000',
  },
}

SCSS

$custom: #1e3871;
$custom-light: #656e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3871",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 113
  },
  "hsl": {
    "h": 221.205,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35411,
    "c": 0.10362,
    "h": 263.6
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary

#1E3871

secondary

#A58746

accent

#B147E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1E3871

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

Preview Lab → · Contrast checker → · Palette generator →