#1E4B9E#1E4B9E

#1E4B9E is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.144 H 261.3°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#1E4B9E
RGB	rgb(30, 75, 158)
HSL	hsl(219, 68%, 37%)
HSV	hsv(219, 81%, 62%)
CMYK	cmyk(81%, 52.5%, 0%, 38%)
CIE-LAB	lab(33.51, 16.33, -49.46)
CIE-LCH	lch(33.51, 52.09, 288.28°)
OKLab	oklab(43.23% -0.0218 -0.1425)
OKLCH	oklch(43.23% 0.144 261.3)
XYZ	xyz(9.2208, 7.7757, 33.3560)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4B9E #9E711E

analogous

#1E8B9E #1E4B9E #311E9E

triadic

#1E4B9E #9E1E4B #4B9E1E

tetradic

#1E4B9E #9E1E8B #9E711E #1E9E31

square

#1E4B9E #9E1E8B #9E711E #1E9E31

split-complementary

#1E4B9E #9E311E #8B9E1E

monochromatic

#0A1A37 #14336B #1E4B9E #2863D1 #5787DF

Accessibility & contrast

On white

8.22

#1E4B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1E4B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4B9E

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4B9E	#FFFFFF	#000000	##FFFFFF
##1E4B9E	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1255A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e4b9e;
/* rgb */ color: rgb(30, 75, 158);
/* oklch */ color: oklch(43.2% 0.144 261.3);

Tailwind

colors: {
  custom: {
    50: '#6f7cbb',
    500: '#1e4b9e',
    950: '#000000',
  },
}

SCSS

$custom: #1e4b9e;
$custom-light: #6f7cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4b9e",
  "rgb": {
    "r": 30,
    "g": 75,
    "b": 158
  },
  "hsl": {
    "h": 218.906,
    "s": 68.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43233,
    "c": 0.14414,
    "h": 261.3
  },
  "luminance": 0.07777
}

Semantic roles & 50–950 ramp

primary

#1E4B9E

secondary

#C39C55

accent

#AE3DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1E4B9E

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

Preview Lab → · Contrast checker → · Palette generator →