#1A4A9D#1A4A9D

#1A4A9D is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.8% C 0.145 H 260.6°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1A4A9D
RGB	rgb(26, 74, 157)
HSL	hsl(218, 72%, 36%)
HSV	hsv(218, 83%, 62%)
CMYK	cmyk(83.4%, 52.9%, 0%, 38.4%)
CIE-LAB	lab(33.03, 16.22, -49.64)
CIE-LCH	lch(33.03, 52.23, 288.09°)
OKLab	oklab(42.81% -0.0236 -0.1431)
OKLCH	oklch(42.81% 0.145 260.6)
XYZ	xyz(8.9584, 7.5504, 32.8770)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4A9D #9D6D1A

analogous

#1A8B9D #1A4A9D #2B1A9D

triadic

#1A4A9D #9D1A4A #4A9D1A

tetradic

#1A4A9D #9D1A8B #9D6D1A #1A9D2B

square

#1A4A9D #9D1A8B #9D6D1A #1A9D2B

split-complementary

#1A4A9D #9D2B1A #8B9D1A

monochromatic

#091934 #113168 #1A4A9D #2363D2 #4F85E2

Accessibility & contrast

On white

8.37

#1A4A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1A4A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4A9D

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4A9D	#FFFFFF	#000000	##FFFFFF
##1A4A9D	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E54A0

Deuteranopia (green-blind)

#00489B

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1a4a9d;
/* rgb */ color: rgb(26, 74, 157);
/* oklch */ color: oklch(42.8% 0.145 260.6);

Tailwind

colors: {
  custom: {
    50: '#6e7bbb',
    500: '#1a4a9d',
    950: '#000000',
  },
}

SCSS

$custom: #1a4a9d;
$custom-light: #6e7bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4a9d",
  "rgb": {
    "r": 26,
    "g": 74,
    "b": 157
  },
  "hsl": {
    "h": 218.015,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42807,
    "c": 0.14504,
    "h": 260.6
  },
  "luminance": 0.07551
}

Semantic roles & 50–950 ramp

primary

#1A4A9D

secondary

#C4994E

accent

#AC39EE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #1A4A9D

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

Preview Lab → · Contrast checker → · Palette generator →