#1E3DA8#1E3DA8

#1E3DA8 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.175 H 266.0°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1E3DA8
RGB	rgb(30, 61, 168)
HSL	hsl(227, 70%, 39%)
HSV	hsv(227, 82%, 66%)
CMYK	cmyk(82.1%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(30.50, 29.74, -60.39)
CIE-LCH	lch(30.50, 67.32, 296.22°)
OKLab	oklab(41.22% -0.0121 -0.1748)
OKLCH	oklch(41.22% 0.175 266)
XYZ	xyz(9.2696, 6.4396, 37.7926)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3DA8 #A8891E

analogous

#1E82A8 #1E3DA8 #441EA8

triadic

#1E3DA8 #A81E3D #3DA81E

tetradic

#1E3DA8 #A81E82 #A8891E #1EA844

square

#1E3DA8 #A81E82 #A8891E #1EA844

split-complementary

#1E3DA8 #A8441E #82A81E

monochromatic

#0B1740 #152A74 #1E3DA8 #2A51D9 #5E7CE2

Accessibility & contrast

On white

9.18

#1E3DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1E3DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3DA8

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3DA8	#FFFFFF	#000000	##FFFFFF
##1E3DA8	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1e3da8;
/* rgb */ color: rgb(30, 61, 168);
/* oklch */ color: oklch(41.2% 0.175 266.0);

Tailwind

colors: {
  custom: {
    50: '#7372c3',
    500: '#1e3da8',
    950: '#000000',
  },
}

SCSS

$custom: #1e3da8;
$custom-light: #7372c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3da8",
  "rgb": {
    "r": 30,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 226.522,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4122,
    "c": 0.17523,
    "h": 266
  },
  "luminance": 0.06441
}

Semantic roles & 50–950 ramp

primary

#1E3DA8

secondary

#C7AE5B

accent

#C53BED

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1E3DA8

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

Preview Lab → · Contrast checker → · Palette generator →