#1E40A7#1E40A7

#1E40A7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.170 H 265.4°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#1E40A7
RGB	rgb(30, 64, 167)
HSL	hsl(225, 70%, 39%)
HSV	hsv(225, 82%, 65%)
CMYK	cmyk(82%, 61.7%, 0%, 34.5%)
CIE-LAB	lab(31.19, 27.35, -58.66)
CIE-LCH	lch(31.19, 64.72, 295.00°)
OKLab	oklab(41.71% -0.0138 -0.1697)
OKLCH	oklch(41.71% 0.17 265.4)
XYZ	xyz(9.3414, 6.7317, 37.3587)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E40A7 #A7851E

analogous

#1E84A7 #1E40A7 #401EA7

triadic

#1E40A7 #A71E40 #40A71E

tetradic

#1E40A7 #A71E84 #A7851E #1EA740

square

#1E40A7 #A71E84 #A7851E #1EA740

split-complementary

#1E40A7 #A7401E #84A71E

monochromatic

#0B183F #152C73 #1E40A7 #2A55D9 #5D7EE2

Accessibility & contrast

On white

8.95

#1E40A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1E40A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E40A7

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E40A7	#FFFFFF	#000000	##FFFFFF
##1E40A7	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AA

Deuteranopia (green-blind)

#0043A5

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1e40a7;
/* rgb */ color: rgb(30, 64, 167);
/* oklch */ color: oklch(41.7% 0.170 265.4);

Tailwind

colors: {
  custom: {
    50: '#7374c2',
    500: '#1e40a7',
    950: '#000000',
  },
}

SCSS

$custom: #1e40a7;
$custom-light: #7374c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e40a7",
  "rgb": {
    "r": 30,
    "g": 64,
    "b": 167
  },
  "hsl": {
    "h": 225.109,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41707,
    "c": 0.17025,
    "h": 265.4
  },
  "luminance": 0.06733
}

Semantic roles & 50–950 ramp

primary

#1E40A7

secondary

#C6AC5B

accent

#C03BEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1E40A7

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

Preview Lab → · Contrast checker → · Palette generator →