#1A439B#1A439B

#1A439B is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.151 H 262.8°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#1A439B
RGB	rgb(26, 67, 155)
HSL	hsl(221, 71%, 35%)
HSV	hsv(221, 83%, 61%)
CMYK	cmyk(83.2%, 56.8%, 0%, 39.2%)
CIE-LAB	lab(30.88, 20.19, -51.92)
CIE-LCH	lch(30.88, 55.71, 291.25°)
OKLab	oklab(41.13% -0.019 -0.1499)
OKLCH	oklch(41.13% 0.151 262.8)
XYZ	xyz(8.3474, 6.5995, 31.8379)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A439B #9B721A

analogous

#1A839B #1A439B #311A9B

triadic

#1A439B #9B1A43 #439B1A

tetradic

#1A439B #9B1A83 #9B721A #1A9B31

square

#1A439B #9B1A83 #9B721A #1A9B31

split-complementary

#1A439B #9B311A #839B1A

monochromatic

#081632 #112C67 #1A439B #235ACF #4E7DE1

Accessibility & contrast

On white

9.05

#1A439B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1A439B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A439B

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A439B	#FFFFFF	#000000	##FFFFFF
##1A439B	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a439b;
/* rgb */ color: rgb(26, 67, 155);
/* oklch */ color: oklch(41.1% 0.151 262.8);

Tailwind

colors: {
  custom: {
    50: '#6e76b9',
    500: '#1a439b',
    950: '#000000',
  },
}

SCSS

$custom: #1a439b;
$custom-light: #6e76b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a439b",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 155
  },
  "hsl": {
    "h": 220.93,
    "s": 71.271,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41126,
    "c": 0.15114,
    "h": 262.8
  },
  "luminance": 0.066
}

Semantic roles & 50–950 ramp

primary

#1A439B

secondary

#C49E4D

accent

#B53AEE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080812

muted

#7B7B81

Preview Lab

Preview with #1A439B

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

Preview Lab → · Contrast checker → · Palette generator →