#1A3A97#1A3A97

#1A3A97 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.157 H 265.1°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A97
RGB	rgb(26, 58, 151)
HSL	hsl(225, 71%, 35%)
HSV	hsv(225, 83%, 59%)
CMYK	cmyk(82.8%, 61.6%, 0%, 40.8%)
CIE-LAB	lab(28.06, 24.77, -54.08)
CIE-LCH	lch(28.06, 59.48, 294.61°)
OKLab	oklab(38.91% -0.0134 -0.1564)
OKLCH	oklch(38.91% 0.157 265.1)
XYZ	xyz(7.5230, 5.4792, 29.9332)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A97 #97771A

analogous

#1A7997 #1A3A97 #391A97

triadic

#1A3A97 #971A3A #3A971A

tetradic

#1A3A97 #971A79 #97771A #1A9739

square

#1A3A97 #971A79 #97771A #1A9739

split-complementary

#1A3A97 #97391A #79971A

monochromatic

#08122F #112663 #1A3A97 #234ECB #4B71E0

Accessibility & contrast

On white

10.02

#1A3A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1A3A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A97

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A97	#FFFFFF	#000000	##FFFFFF
##1A3A97	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3a97;
/* rgb */ color: rgb(26, 58, 151);
/* oklch */ color: oklch(38.9% 0.157 265.1);

Tailwind

colors: {
  custom: {
    50: '#6e6fb6',
    500: '#1a3a97',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a97;
$custom-light: #6e6fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a97",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 151
  },
  "hsl": {
    "h": 224.64,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38907,
    "c": 0.15701,
    "h": 265.1
  },
  "luminance": 0.0548
}

Semantic roles & 50–950 ramp

primary

#1A3A97

secondary

#C2A34B

accent

#C03AED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3A97

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

Preview Lab → · Contrast checker → · Palette generator →