#1E3889#1E3889

#1E3889 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.139 H 266.2°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#1E3889
RGB	rgb(30, 56, 137)
HSL	hsl(225, 64%, 33%)
HSV	hsv(225, 78%, 54%)
CMYK	cmyk(78.1%, 59.1%, 0%, 46.3%)
CIE-LAB	lab(26.48, 21.00, -48.03)
CIE-LCH	lch(26.48, 52.42, 293.61°)
OKLab	oklab(37.4% -0.0093 -0.1386)
OKLCH	oklch(37.4% 0.139 266.2)
XYZ	xyz(6.4634, 4.9098, 24.2691)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3889 #896F1E

analogous

#1E6D89 #1E3889 #3A1E89

triadic

#1E3889 #891E38 #38891E

tetradic

#1E3889 #891E6D #896F1E #1E893A

square

#1E3889 #891E6D #896F1E #1E893A

split-complementary

#1E3889 #893A1E #6D891E

monochromatic

#080F25 #132357 #1E3889 #294DBB #4A6CD7

Accessibility & contrast

On white

10.59

#1E3889 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1E3889 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3889

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3889	#FFFFFF	#000000	##FFFFFF
##1E3889	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e3889;
/* rgb */ color: rgb(30, 56, 137);
/* oklch */ color: oklch(37.4% 0.139 266.2);

Tailwind

colors: {
  custom: {
    50: '#6b6eac',
    500: '#1e3889',
    950: '#000000',
  },
}

SCSS

$custom: #1e3889;
$custom-light: #6b6eac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3889",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 137
  },
  "hsl": {
    "h": 225.421,
    "s": 64.072,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37397,
    "c": 0.13894,
    "h": 266.2
  },
  "luminance": 0.04911
}

Semantic roles & 50–950 ramp

primary

#1E3889

secondary

#BA9E49

accent

#BF41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1E3889

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

Preview Lab → · Contrast checker → · Palette generator →