#1E3BA7#1E3BA7

#1E3BA7 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.176 H 266.4°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#1E3BA7
RGB	rgb(30, 59, 167)
HSL	hsl(227, 70%, 39%)
HSV	hsv(227, 82%, 65%)
CMYK	cmyk(82%, 64.7%, 0%, 34.5%)
CIE-LAB	lab(29.89, 30.68, -60.77)
CIE-LCH	lch(29.89, 68.08, 296.79°)
OKLab	oklab(40.75% -0.011 -0.176)
OKLCH	oklch(40.75% 0.176 266.4)
XYZ	xyz(9.0720, 6.1929, 37.2689)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3BA7 #A78A1E

analogous

#1E7FA7 #1E3BA7 #451EA7

triadic

#1E3BA7 #A71E3B #3BA71E

tetradic

#1E3BA7 #A71E7F #A78A1E #1EA745

square

#1E3BA7 #A71E7F #A78A1E #1EA745

split-complementary

#1E3BA7 #A7451E #7FA71E

monochromatic

#0B163F #152973 #1E3BA7 #2A4FD9 #5D79E2

Accessibility & contrast

On white

9.38

#1E3BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1E3BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3BA7

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3BA7	#FFFFFF	#000000	##FFFFFF
##1E3BA7	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAA

Deuteranopia (green-blind)

#0040A5

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1e3ba7;
/* rgb */ color: rgb(30, 59, 167);
/* oklch */ color: oklch(40.7% 0.176 266.4);

Tailwind

colors: {
  custom: {
    50: '#7370c2',
    500: '#1e3ba7',
    950: '#000000',
  },
}

SCSS

$custom: #1e3ba7;
$custom-light: #7370c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3ba7",
  "rgb": {
    "r": 30,
    "g": 59,
    "b": 167
  },
  "hsl": {
    "h": 227.299,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40748,
    "c": 0.1763,
    "h": 266.4
  },
  "luminance": 0.06194
}

Semantic roles & 50–950 ramp

primary

#1E3BA7

secondary

#C6AF5B

accent

#C73BEC

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #1E3BA7

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

Preview Lab → · Contrast checker → · Palette generator →