#1A339E#1A339E

#1A339E is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.2% C 0.175 H 266.8°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#1A339E
RGB	rgb(26, 51, 158)
HSL	hsl(229, 72%, 36%)
HSV	hsv(229, 84%, 62%)
CMYK	cmyk(83.5%, 67.7%, 0%, 38%)
CIE-LAB	lab(26.89, 32.21, -60.27)
CIE-LCH	lch(26.89, 68.34, 298.13°)
OKLab	oklab(38.24% -0.0098 -0.1746)
OKLCH	oklch(38.24% 0.175 266.8)
XYZ	xyz(7.7792, 5.0549, 32.9068)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A339E #9E851A

analogous

#1A759E #1A339E #431A9E

triadic

#1A339E #9E1A33 #339E1A

tetradic

#1A339E #9E1A75 #9E851A #1A9E43

square

#1A339E #9E1A75 #9E851A #1A9E43

split-complementary

#1A339E #9E431A #759E1A

monochromatic

#091135 #112269 #1A339E #2344D3 #506CE2

Accessibility & contrast

On white

10.44

#1A339E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1A339E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A339E

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A339E	#FFFFFF	#000000	##FFFFFF
##1A339E	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A1

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a339e;
/* rgb */ color: rgb(26, 51, 158);
/* oklch */ color: oklch(38.2% 0.175 266.8);

Tailwind

colors: {
  custom: {
    50: '#706abc',
    500: '#1a339e',
    950: '#000000',
  },
}

SCSS

$custom: #1a339e;
$custom-light: #706abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a339e",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 158
  },
  "hsl": {
    "h": 228.636,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38242,
    "c": 0.17487,
    "h": 266.8
  },
  "luminance": 0.05056
}

Semantic roles & 50–950 ramp

primary

#1A339E

secondary

#C5AE4F

accent

#CC39EE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1A339E

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

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