#1E4181#1E4181

#1E4181 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.7% C 0.116 H 261.3°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#1E4181
RGB	rgb(30, 65, 129)
HSL	hsl(219, 62%, 31%)
HSV	hsv(219, 77%, 51%)
CMYK	cmyk(76.7%, 49.6%, 0%, 49.4%)
CIE-LAB	lab(28.49, 11.52, -39.79)
CIE-LCH	lch(28.49, 41.42, 286.14°)
OKLab	oklab(38.73% -0.0176 -0.1142)
OKLCH	oklch(38.73% 0.116 261.3)
XYZ	xyz(6.3867, 5.6409, 21.5168)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4181 #815E1E

analogous

#1E7281 #1E4181 #2C1E81

triadic

#1E4181 #811E41 #41811E

tetradic

#1E4181 #811E72 #815E1E #1E812C

square

#1E4181 #811E72 #815E1E #1E812C

split-complementary

#1E4181 #812C1E #72811E

monochromatic

#070F1E #12284F #1E4181 #2A5AB3 #4678D4

Accessibility & contrast

On white

9.87

#1E4181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1E4181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4181

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4181	#FFFFFF	#000000	##FFFFFF
##1E4181	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4883

Deuteranopia (green-blind)

#013F80

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e4181;
/* rgb */ color: rgb(30, 65, 129);
/* oklch */ color: oklch(38.7% 0.116 261.3);

Tailwind

colors: {
  custom: {
    50: '#6975a6',
    500: '#1e4181',
    950: '#000000',
  },
}

SCSS

$custom: #1e4181;
$custom-light: #6975a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4181",
  "rgb": {
    "r": 30,
    "g": 65,
    "b": 129
  },
  "hsl": {
    "h": 218.788,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3873,
    "c": 0.11557,
    "h": 261.3
  },
  "luminance": 0.05642
}

Semantic roles & 50–950 ramp

primary

#1E4181

secondary

#B48D47

accent

#AC42E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1E4181

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

Preview Lab → · Contrast checker → · Palette generator →