#1A4591#1A4591

#1A4591 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.7% C 0.135 H 260.8°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#1A4591
RGB	rgb(26, 69, 145)
HSL	hsl(218, 70%, 34%)
HSV	hsv(218, 82%, 57%)
CMYK	cmyk(82.1%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(30.69, 14.77, -46.14)
CIE-LCH	lch(30.69, 48.44, 287.75°)
OKLab	oklab(40.74% -0.0214 -0.1329)
OKLCH	oklch(40.74% 0.135 260.8)
XYZ	xyz(7.6631, 6.5193, 27.6370)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4591 #91661A

analogous

#1A8091 #1A4591 #2A1A91

triadic

#1A4591 #911A45 #45911A

tetradic

#1A4591 #911A80 #91661A #1A912A

square

#1A4591 #911A80 #91661A #1A912A

split-complementary

#1A4591 #912A1A #80911A

monochromatic

#071429 #112C5D #1A4591 #235EC5 #477EDE

Accessibility & contrast

On white

9.11

#1A4591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1A4591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4591

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4591	#FFFFFF	#000000	##FFFFFF
##1A4591	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124E94

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1a4591;
/* rgb */ color: rgb(26, 69, 145);
/* oklch */ color: oklch(40.7% 0.135 260.8);

Tailwind

colors: {
  custom: {
    50: '#6b78b2',
    500: '#1a4591',
    950: '#000000',
  },
}

SCSS

$custom: #1a4591;
$custom-light: #6b78b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4591",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 218.319,
    "s": 69.591,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40739,
    "c": 0.13461,
    "h": 260.8
  },
  "luminance": 0.0652
}

Semantic roles & 50–950 ramp

primary

#1A4591

secondary

#C09447

accent

#AC3BEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1A4591

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

Preview Lab → · Contrast checker → · Palette generator →