#1E3471#1E3471

#1E3471 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.109 H 265.9°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#1E3471
RGB	rgb(30, 52, 113)
HSL	hsl(224, 58%, 28%)
HSV	hsv(224, 73%, 44%)
CMYK	cmyk(73.5%, 54%, 0%, 55.7%)
CIE-LAB	lab(23.42, 14.18, -37.86)
CIE-LCH	lch(23.42, 40.42, 290.53°)
OKLab	oklab(34.49% -0.0077 -0.1088)
OKLCH	oklch(34.49% 0.109 265.9)
XYZ	xyz(4.7430, 3.9238, 16.1270)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3471 #715B1E

analogous

#1E5D71 #1E3471 #311E71

triadic

#1E3471 #711E34 #34711E

tetradic

#1E3471 #711E5D #715B1E #1E7131

square

#1E3471 #711E5D #715B1E #1E7131

split-complementary

#1E3471 #71311E #5D711E

monochromatic

#060B18 #111E41 #1E3471 #2B4AA1 #3E63CC

Accessibility & contrast

On white

11.77

#1E3471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1E3471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3471

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3471	#FFFFFF	#000000	##FFFFFF
##1E3471	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3C73

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1e3471;
/* rgb */ color: rgb(30, 52, 113);
/* oklch */ color: oklch(34.5% 0.109 265.9);

Tailwind

colors: {
  custom: {
    50: '#666b9a',
    500: '#1e3471',
    950: '#000000',
  },
}

SCSS

$custom: #1e3471;
$custom-light: #666b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3471",
  "rgb": {
    "r": 30,
    "g": 52,
    "b": 113
  },
  "hsl": {
    "h": 224.096,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3449,
    "c": 0.10906,
    "h": 265.9
  },
  "luminance": 0.03924
}

Semantic roles & 50–950 ramp

primary

#1E3471

secondary

#A58C46

accent

#B847E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1E3471

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

Preview Lab → · Contrast checker → · Palette generator →