#1A3B97#1A3B97

#1A3B97 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.156 H 264.8°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1A3B97
RGB	rgb(26, 59, 151)
HSL	hsl(224, 71%, 35%)
HSV	hsv(224, 83%, 59%)
CMYK	cmyk(82.8%, 60.9%, 0%, 40.8%)
CIE-LAB	lab(28.33, 24.08, -53.64)
CIE-LCH	lch(28.33, 58.80, 294.18°)
OKLab	oklab(39.11% -0.014 -0.1551)
OKLCH	oklch(39.11% 0.156 264.8)
XYZ	xyz(7.5739, 5.5810, 29.9502)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3B97 #97761A

analogous

#1A7A97 #1A3B97 #381A97

triadic

#1A3B97 #971A3B #3B971A

tetradic

#1A3B97 #971A7A #97761A #1A9738

square

#1A3B97 #971A7A #97761A #1A9738

split-complementary

#1A3B97 #97381A #7A971A

monochromatic

#08122F #112763 #1A3B97 #234FCB #4B73E0

Accessibility & contrast

On white

9.92

#1A3B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1A3B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3B97

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3B97	#FFFFFF	#000000	##FFFFFF
##1A3B97	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a3b97;
/* rgb */ color: rgb(26, 59, 151);
/* oklch */ color: oklch(39.1% 0.156 264.8);

Tailwind

colors: {
  custom: {
    50: '#6e70b6',
    500: '#1a3b97',
    950: '#000000',
  },
}

SCSS

$custom: #1a3b97;
$custom-light: #6e70b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3b97",
  "rgb": {
    "r": 26,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 224.16,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39109,
    "c": 0.15575,
    "h": 264.8
  },
  "luminance": 0.05582
}

Semantic roles & 50–950 ramp

primary

#1A3B97

secondary

#C2A34B

accent

#BE3AED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3B97

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

Preview Lab → · Contrast checker → · Palette generator →