#1A4F9F#1A4F9F

#1A4F9F is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.1% C 0.142 H 259.0°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#1A4F9F
RGB	rgb(26, 79, 159)
HSL	hsl(216, 72%, 36%)
HSV	hsv(216, 84%, 62%)
CMYK	cmyk(83.6%, 50.3%, 0%, 37.6%)
CIE-LAB	lab(34.63, 13.64, -48.26)
CIE-LCH	lch(34.63, 50.15, 285.78°)
OKLab	oklab(44.08% -0.027 -0.1389)
OKLCH	oklch(44.08% 0.142 259)
XYZ	xyz(9.4777, 8.3136, 33.8993)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4F9F #9F6A1A

analogous

#1A929F #1A4F9F #271A9F

triadic

#1A4F9F #9F1A4F #4F9F1A

tetradic

#1A4F9F #9F1A92 #9F6A1A #1A9F27

square

#1A4F9F #9F1A92 #9F6A1A #1A9F27

split-complementary

#1A4F9F #9F271A #929F1A

monochromatic

#091B36 #11356A #1A4F9F #2369D4 #518BE3

Accessibility & contrast

On white

7.89

#1A4F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1A4F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4F9F

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4F9F	#FFFFFF	#000000	##FFFFFF
##1A4F9F	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E58A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a4f9f;
/* rgb */ color: rgb(26, 79, 159);
/* oklch */ color: oklch(44.1% 0.142 259.0);

Tailwind

colors: {
  custom: {
    50: '#6e7fbc',
    500: '#1a4f9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a4f9f;
$custom-light: #6e7fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4f9f",
  "rgb": {
    "r": 26,
    "g": 79,
    "b": 159
  },
  "hsl": {
    "h": 216.09,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44076,
    "c": 0.14154,
    "h": 259
  },
  "luminance": 0.08315
}

Semantic roles & 50–950 ramp

primary

#1A4F9F

secondary

#C59650

accent

#A639EF

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1A4F9F

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

Preview Lab → · Contrast checker → · Palette generator →