#1E4381#1E4381

#1E4381 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.113 H 260.1°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#1E4381
RGB	rgb(30, 67, 129)
HSL	hsl(218, 62%, 31%)
HSV	hsv(218, 77%, 51%)
CMYK	cmyk(76.7%, 48.1%, 0%, 49.4%)
CIE-LAB	lab(29.09, 10.14, -38.82)
CIE-LCH	lch(29.09, 40.12, 284.64°)
OKLab	oklab(39.2% -0.0194 -0.1113)
OKLCH	oklch(39.2% 0.113 260.1)
XYZ	xyz(6.5036, 5.8746, 21.5558)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4381 #815C1E

analogous

#1E7481 #1E4381 #2A1E81

triadic

#1E4381 #811E43 #43811E

tetradic

#1E4381 #811E74 #815C1E #1E812A

square

#1E4381 #811E74 #815C1E #1E812A

split-complementary

#1E4381 #812A1E #74811E

monochromatic

#070F1E #12294F #1E4381 #2A5DB3 #467BD4

Accessibility & contrast

On white

9.66

#1E4381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1E4381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4381

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4381	#FFFFFF	#000000	##FFFFFF
##1E4381	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224983

Deuteranopia (green-blind)

#0A4080

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1e4381;
/* rgb */ color: rgb(30, 67, 129);
/* oklch */ color: oklch(39.2% 0.113 260.1);

Tailwind

colors: {
  custom: {
    50: '#6976a6',
    500: '#1e4381',
    950: '#000000',
  },
}

SCSS

$custom: #1e4381;
$custom-light: #6976a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4381",
  "rgb": {
    "r": 30,
    "g": 67,
    "b": 129
  },
  "hsl": {
    "h": 217.576,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39195,
    "c": 0.113,
    "h": 260.1
  },
  "luminance": 0.05875
}

Semantic roles & 50–950 ramp

primary

#1E4381

secondary

#B48B47

accent

#A842E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1E4381

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

Preview Lab → · Contrast checker → · Palette generator →