#1A4F9D#1A4F9D

#1A4F9D is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.139 H 258.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1A4F9D
RGB	rgb(26, 79, 157)
HSL	hsl(216, 72%, 36%)
HSV	hsv(216, 83%, 62%)
CMYK	cmyk(83.4%, 49.7%, 0%, 38.4%)
CIE-LAB	lab(34.49, 12.83, -47.29)
CIE-LCH	lch(34.49, 48.99, 285.18°)
OKLab	oklab(43.92% -0.0274 -0.1361)
OKLCH	oklch(43.92% 0.139 258.6)
XYZ	xyz(9.3056, 8.2448, 32.9927)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4F9D #9D681A

analogous

#1A909D #1A4F9D #261A9D

triadic

#1A4F9D #9D1A4F #4F9D1A

tetradic

#1A4F9D #9D1A90 #9D681A #1A9D26

square

#1A4F9D #9D1A90 #9D681A #1A9D26

split-complementary

#1A4F9D #9D261A #909D1A

monochromatic

#091A34 #113568 #1A4F9D #2369D2 #4F8BE2

Accessibility & contrast

On white

7.93

#1A4F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1A4F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4F9D

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4F9D	#FFFFFF	#000000	##FFFFFF
##1A4F9D	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2057A0

Deuteranopia (green-blind)

#004C9B

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a4f9d;
/* rgb */ color: rgb(26, 79, 157);
/* oklch */ color: oklch(43.9% 0.139 258.6);

Tailwind

colors: {
  custom: {
    50: '#6e7fba',
    500: '#1a4f9d',
    950: '#000000',
  },
}

SCSS

$custom: #1a4f9d;
$custom-light: #6e7fba;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4f9d",
  "rgb": {
    "r": 26,
    "g": 79,
    "b": 157
  },
  "hsl": {
    "h": 215.725,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43924,
    "c": 0.13878,
    "h": 258.6
  },
  "luminance": 0.08246
}

Semantic roles & 50–950 ramp

primary

#1A4F9D

secondary

#C4954E

accent

#A539EE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1A4F9D

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

Preview Lab → · Contrast checker → · Palette generator →