#1E4DA1#1E4DA1

#1E4DA1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.146 H 261.0°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#1E4DA1
RGB	rgb(30, 77, 161)
HSL	hsl(218, 69%, 37%)
HSV	hsv(218, 81%, 63%)
CMYK	cmyk(81.4%, 52.2%, 0%, 36.9%)
CIE-LAB	lab(34.31, 16.18, -49.98)
CIE-LCH	lch(34.31, 52.53, 287.94°)
OKLab	oklab(43.91% -0.0229 -0.144)
OKLCH	oklch(43.91% 0.146 261)
XYZ	xyz(9.6200, 8.1558, 34.7785)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4DA1 #A1721E

analogous

#1E8FA1 #1E4DA1 #301EA1

triadic

#1E4DA1 #A11E4D #4DA11E

tetradic

#1E4DA1 #A11E8F #A1721E #1EA130

square

#1E4DA1 #A11E8F #A1721E #1EA130

split-complementary

#1E4DA1 #A1301E #8FA11E

monochromatic

#0B1C3A #14346D #1E4DA1 #2866D5 #598AE0

Accessibility & contrast

On white

7.98

#1E4DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#1E4DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4DA1

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4DA1	#FFFFFF	#000000	##FFFFFF
##1E4DA1	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1457A4

Deuteranopia (green-blind)

#004B9F

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1e4da1;
/* rgb */ color: rgb(30, 77, 161);
/* oklch */ color: oklch(43.9% 0.146 261.0);

Tailwind

colors: {
  custom: {
    50: '#707ebd',
    500: '#1e4da1',
    950: '#000000',
  },
}

SCSS

$custom: #1e4da1;
$custom-light: #707ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4da1",
  "rgb": {
    "r": 30,
    "g": 77,
    "b": 161
  },
  "hsl": {
    "h": 218.473,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.43908,
    "c": 0.14579,
    "h": 261
  },
  "luminance": 0.08157
}

Semantic roles & 50–950 ramp

primary

#1E4DA1

secondary

#C49D57

accent

#AD3CEB

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1E4DA1

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

Preview Lab → · Contrast checker → · Palette generator →