#1A439F#1A439F

#1A439F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.157 H 263.2°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#1A439F
RGB	rgb(26, 67, 159)
HSL	hsl(222, 72%, 36%)
HSV	hsv(222, 84%, 62%)
CMYK	cmyk(83.6%, 57.9%, 0%, 37.6%)
CIE-LAB	lab(31.20, 21.80, -53.82)
CIE-LCH	lch(31.20, 58.07, 292.05°)
OKLab	oklab(41.47% -0.0187 -0.1555)
OKLCH	oklch(41.47% 0.157 263.2)
XYZ	xyz(8.6889, 6.7361, 33.6364)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A439F #9F761A

analogous

#1A869F #1A439F #341A9F

triadic

#1A439F #9F1A43 #439F1A

tetradic

#1A439F #9F1A86 #9F761A #1A9F34

square

#1A439F #9F1A86 #9F761A #1A9F34

split-complementary

#1A439F #9F341A #869F1A

monochromatic

#091736 #112D6A #1A439F #2359D4 #517EE3

Accessibility & contrast

On white

8.95

#1A439F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1A439F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A439F

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A439F	#FFFFFF	#000000	##FFFFFF
##1A439F	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00449D

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a439f;
/* rgb */ color: rgb(26, 67, 159);
/* oklch */ color: oklch(41.5% 0.157 263.2);

Tailwind

colors: {
  custom: {
    50: '#6f76bc',
    500: '#1a439f',
    950: '#000000',
  },
}

SCSS

$custom: #1a439f;
$custom-light: #6f76bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a439f",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 159
  },
  "hsl": {
    "h": 221.504,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41469,
    "c": 0.15665,
    "h": 263.2
  },
  "luminance": 0.06737
}

Semantic roles & 50–950 ramp

primary

#1A439F

secondary

#C5A150

accent

#B739EF

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A439F

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

Preview Lab → · Contrast checker → · Palette generator →