#1E3AA7#1E3AA7

#1E3AA7 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.6% C 0.177 H 266.6°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1E3AA7
RGB	rgb(30, 58, 167)
HSL	hsl(228, 70%, 39%)
HSV	hsv(228, 82%, 65%)
CMYK	cmyk(82%, 65.3%, 0%, 34.5%)
CIE-LAB	lab(29.64, 31.35, -61.19)
CIE-LCH	lch(29.64, 68.75, 297.12°)
OKLab	oklab(40.56% -0.0105 -0.1772)
OKLCH	oklch(40.56% 0.177 266.6)
XYZ	xyz(9.0211, 6.0911, 37.2520)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3AA7 #A78B1E

analogous

#1E7EA7 #1E3AA7 #461EA7

triadic

#1E3AA7 #A71E3A #3AA71E

tetradic

#1E3AA7 #A71E7E #A78B1E #1EA746

square

#1E3AA7 #A71E7E #A78B1E #1EA746

split-complementary

#1E3AA7 #A7461E #7EA71E

monochromatic

#0B163F #152873 #1E3AA7 #2A4DD9 #5D79E2

Accessibility & contrast

On white

9.47

#1E3AA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1E3AA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3AA7

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3AA7	#FFFFFF	#000000	##FFFFFF
##1E3AA7	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAA

Deuteranopia (green-blind)

#003FA5

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1e3aa7;
/* rgb */ color: rgb(30, 58, 167);
/* oklch */ color: oklch(40.6% 0.177 266.6);

Tailwind

colors: {
  custom: {
    50: '#7370c2',
    500: '#1e3aa7',
    950: '#000000',
  },
}

SCSS

$custom: #1e3aa7;
$custom-light: #7370c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3aa7",
  "rgb": {
    "r": 30,
    "g": 58,
    "b": 167
  },
  "hsl": {
    "h": 227.737,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40562,
    "c": 0.17749,
    "h": 266.6
  },
  "luminance": 0.06092
}

Semantic roles & 50–950 ramp

primary

#1E3AA7

secondary

#C6B05B

accent

#C83BEC

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #1E3AA7

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

Preview Lab → · Contrast checker → · Palette generator →