#1E3989#1E3989

#1E3989 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.138 H 265.8°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#1E3989
RGB	rgb(30, 57, 137)
HSL	hsl(225, 64%, 33%)
HSV	hsv(225, 78%, 54%)
CMYK	cmyk(78.1%, 58.4%, 0%, 46.3%)
CIE-LAB	lab(26.76, 20.30, -47.57)
CIE-LCH	lch(26.76, 51.72, 293.11°)
OKLab	oklab(37.61% -0.01 -0.1373)
OKLCH	oklch(37.61% 0.138 265.8)
XYZ	xyz(6.5123, 5.0077, 24.2854)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3989 #896E1E

analogous

#1E6E89 #1E3989 #391E89

triadic

#1E3989 #891E39 #39891E

tetradic

#1E3989 #891E6E #896E1E #1E8939

square

#1E3989 #891E6E #896E1E #1E8939

split-complementary

#1E3989 #89391E #6E891E

monochromatic

#080F25 #132457 #1E3989 #294EBB #4A6ED7

Accessibility & contrast

On white

10.49

#1E3989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1E3989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3989

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3989	#FFFFFF	#000000	##FFFFFF
##1E3989	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e3989;
/* rgb */ color: rgb(30, 57, 137);
/* oklch */ color: oklch(37.6% 0.138 265.8);

Tailwind

colors: {
  custom: {
    50: '#6b6eac',
    500: '#1e3989',
    950: '#000000',
  },
}

SCSS

$custom: #1e3989;
$custom-light: #6b6eac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3989",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 137
  },
  "hsl": {
    "h": 224.86,
    "s": 64.072,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37607,
    "c": 0.13764,
    "h": 265.8
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#1E3989

secondary

#BA9D49

accent

#BD41E7

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1E3989

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

Preview Lab → · Contrast checker → · Palette generator →