#1E3F87#1E3F87

#1E3F87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.7% C 0.127 H 263.2°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1E3F87
RGB	rgb(30, 63, 135)
HSL	hsl(221, 64%, 32%)
HSV	hsv(221, 78%, 53%)
CMYK	cmyk(77.8%, 53.3%, 0%, 47.1%)
CIE-LAB	lab(28.33, 15.33, -43.78)
CIE-LCH	lch(28.33, 46.39, 289.29°)
OKLab	oklab(38.74% -0.015 -0.126)
OKLCH	oklch(38.74% 0.127 263.2)
XYZ	xyz(6.6845, 5.5796, 23.6416)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3F87 #87661E

analogous

#1E7387 #1E3F87 #321E87

triadic

#1E3F87 #871E3F #3F871E

tetradic

#1E3F87 #871E73 #87661E #1E8732

square

#1E3F87 #871E73 #87661E #1E8732

split-complementary

#1E3F87 #87321E #73871E

monochromatic

#081023 #132855 #1E3F87 #2956B9 #4975D7

Accessibility & contrast

On white

9.92

#1E3F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1E3F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3F87

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3F87	#FFFFFF	#000000	##FFFFFF
##1E3F87	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F488A

Deuteranopia (green-blind)

#003E86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e3f87;
/* rgb */ color: rgb(30, 63, 135);
/* oklch */ color: oklch(38.7% 0.127 263.2);

Tailwind

colors: {
  custom: {
    50: '#6a73aa',
    500: '#1e3f87',
    950: '#000000',
  },
}

SCSS

$custom: #1e3f87;
$custom-light: #6a73aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3f87",
  "rgb": {
    "r": 30,
    "g": 63,
    "b": 135
  },
  "hsl": {
    "h": 221.143,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38744,
    "c": 0.12691,
    "h": 263.2
  },
  "luminance": 0.0558
}

Semantic roles & 50–950 ramp

primary

#1E3F87

secondary

#B99548

accent

#B341E7

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1E3F87

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

Preview Lab → · Contrast checker → · Palette generator →