#1E4183#1E4183

#1E4183 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.9% C 0.118 H 261.6°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#1E4183
RGB	rgb(30, 65, 131)
HSL	hsl(219, 63%, 32%)
HSV	hsv(219, 77%, 51%)
CMYK	cmyk(77.1%, 50.4%, 0%, 48.6%)
CIE-LAB	lab(28.63, 12.33, -40.81)
CIE-LCH	lch(28.63, 42.63, 286.80°)
OKLab	oklab(38.88% -0.0173 -0.1172)
OKLCH	oklch(38.88% 0.118 261.6)
XYZ	xyz(6.5210, 5.6946, 22.2238)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4183 #83601E

analogous

#1E7483 #1E4183 #2E1E83

triadic

#1E4183 #831E41 #41831E

tetradic

#1E4183 #831E74 #83601E #1E832E

square

#1E4183 #831E74 #83601E #1E832E

split-complementary

#1E4183 #832E1E #74831E

monochromatic

#07101F #132851 #1E4183 #295AB5 #4778D5

Accessibility & contrast

On white

9.82

#1E4183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1E4183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4183

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4183	#FFFFFF	#000000	##FFFFFF
##1E4183	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4885

Deuteranopia (green-blind)

#003F82

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e4183;
/* rgb */ color: rgb(30, 65, 131);
/* oklch */ color: oklch(38.9% 0.118 261.6);

Tailwind

colors: {
  custom: {
    50: '#6975a7',
    500: '#1e4183',
    950: '#000000',
  },
}

SCSS

$custom: #1e4183;
$custom-light: #6975a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4183",
  "rgb": {
    "r": 30,
    "g": 65,
    "b": 131
  },
  "hsl": {
    "h": 219.208,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38883,
    "c": 0.11849,
    "h": 261.6
  },
  "luminance": 0.05695
}

Semantic roles & 50–950 ramp

primary

#1E4183

secondary

#B68F47

accent

#AD42E6

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1E4183

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

Preview Lab → · Contrast checker → · Palette generator →