#1A4DA0#1A4DA0

#1A4DA0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.7% C 0.145 H 259.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#1A4DA0
RGB	rgb(26, 77, 160)
HSL	hsl(217, 72%, 36%)
HSV	hsv(217, 84%, 63%)
CMYK	cmyk(83.8%, 51.9%, 0%, 37.3%)
CIE-LAB	lab(34.12, 15.39, -49.69)
CIE-LCH	lch(34.12, 52.02, 287.21°)
OKLab	oklab(43.71% -0.0254 -0.1432)
OKLCH	oklch(43.71% 0.145 259.9)
XYZ	xyz(9.4227, 8.0643, 34.3108)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4DA0 #A06D1A

analogous

#1A90A0 #1A4DA0 #2A1AA0

triadic

#1A4DA0 #A01A4D #4DA01A

tetradic

#1A4DA0 #A01A90 #A06D1A #1AA02A

square

#1A4DA0 #A01A90 #A06D1A #1AA02A

split-complementary

#1A4DA0 #A02A1A #90A01A

monochromatic

#091A37 #11346B #1A4DA0 #2366D5 #5289E3

Accessibility & contrast

On white

8.04

#1A4DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1A4DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4DA0

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4DA0	#FFFFFF	#000000	##FFFFFF
##1A4DA0	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1557A3

Deuteranopia (green-blind)

#004B9E

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1a4da0;
/* rgb */ color: rgb(26, 77, 160);
/* oklch */ color: oklch(43.7% 0.145 259.9);

Tailwind

colors: {
  custom: {
    50: '#6f7ebd',
    500: '#1a4da0',
    950: '#000000',
  },
}

SCSS

$custom: #1a4da0;
$custom-light: #6f7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4da0",
  "rgb": {
    "r": 26,
    "g": 77,
    "b": 160
  },
  "hsl": {
    "h": 217.164,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43708,
    "c": 0.14542,
    "h": 259.9
  },
  "luminance": 0.08065
}

Semantic roles & 50–950 ramp

primary

#1A4DA0

secondary

#C59950

accent

#AA39EF

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1A4DA0

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

Preview Lab → · Contrast checker → · Palette generator →