#1A3897#1A3897

#1A3897 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.160 H 265.6°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#1A3897
RGB	rgb(26, 56, 151)
HSL	hsl(226, 71%, 35%)
HSV	hsv(226, 83%, 59%)
CMYK	cmyk(82.8%, 62.9%, 0%, 40.8%)
CIE-LAB	lab(27.52, 26.14, -54.96)
CIE-LCH	lch(27.52, 60.86, 295.44°)
OKLab	oklab(38.51% -0.0122 -0.159)
OKLCH	oklch(38.51% 0.16 265.6)
XYZ	xyz(7.4241, 5.2814, 29.9003)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3897 #97791A

analogous

#1A7797 #1A3897 #3B1A97

triadic

#1A3897 #971A38 #38971A

tetradic

#1A3897 #971A77 #97791A #1A973B

square

#1A3897 #971A77 #97791A #1A973B

split-complementary

#1A3897 #973B1A #77971A

monochromatic

#08112F #112563 #1A3897 #234BCB #4B6FE0

Accessibility & contrast

On white

10.21

#1A3897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1A3897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3897

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3897	#FFFFFF	#000000	##FFFFFF
##1A3897	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003B95

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3897;
/* rgb */ color: rgb(26, 56, 151);
/* oklch */ color: oklch(38.5% 0.160 265.6);

Tailwind

colors: {
  custom: {
    50: '#6e6eb6',
    500: '#1a3897',
    950: '#000000',
  },
}

SCSS

$custom: #1a3897;
$custom-light: #6e6eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3897",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 151
  },
  "hsl": {
    "h": 225.6,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38507,
    "c": 0.1595,
    "h": 265.6
  },
  "luminance": 0.05282
}

Semantic roles & 50–950 ramp

primary

#1A3897

secondary

#C2A54B

accent

#C23AED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3897

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

Preview Lab → · Contrast checker → · Palette generator →