#1E4591#1E4591

#1E4591 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.9% C 0.133 H 261.9°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#1E4591
RGB	rgb(30, 69, 145)
HSL	hsl(220, 66%, 34%)
HSV	hsv(220, 79%, 57%)
CMYK	cmyk(79.3%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(30.82, 15.21, -45.91)
CIE-LCH	lch(30.82, 48.37, 288.33°)
OKLab	oklab(40.88% -0.0187 -0.1322)
OKLCH	oklch(40.88% 0.133 261.9)
XYZ	xyz(7.7725, 6.5757, 27.6422)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4591 #916A1E

analogous

#1E7F91 #1E4591 #311E91

triadic

#1E4591 #911E45 #45911E

tetradic

#1E4591 #911E7F #916A1E #1E9131

square

#1E4591 #911E7F #916A1E #1E9131

split-complementary

#1E4591 #91311E #7F911E

monochromatic

#09152C #142D5E #1E4591 #285DC4 #4F7EDB

Accessibility & contrast

On white

9.07

#1E4591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1E4591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4591

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4591	#FFFFFF	#000000	##FFFFFF
##1E4591	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134E94

Deuteranopia (green-blind)

#00448F

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1e4591;
/* rgb */ color: rgb(30, 69, 145);
/* oklch */ color: oklch(40.9% 0.133 261.9);

Tailwind

colors: {
  custom: {
    50: '#6c78b2',
    500: '#1e4591',
    950: '#000000',
  },
}

SCSS

$custom: #1e4591;
$custom-light: #6c78b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4591",
  "rgb": {
    "r": 30,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 219.652,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40879,
    "c": 0.13349,
    "h": 261.9
  },
  "luminance": 0.06577
}

Semantic roles & 50–950 ramp

primary

#1E4591

secondary

#BD974D

accent

#AF3FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1E4591

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

Preview Lab → · Contrast checker → · Palette generator →