#1A4DA1#1A4DA1

#1A4DA1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.147 H 260.1°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A4DA1
RGB	rgb(26, 77, 161)
HSL	hsl(217, 72%, 37%)
HSV	hsv(217, 84%, 63%)
CMYK	cmyk(83.9%, 52.2%, 0%, 36.9%)
CIE-LAB	lab(34.19, 15.80, -50.17)
CIE-LCH	lch(34.19, 52.60, 287.47°)
OKLab	oklab(43.79% -0.0253 -0.1446)
OKLCH	oklch(43.79% 0.147 260.1)
XYZ	xyz(9.5106, 8.0994, 34.7734)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4DA1 #A16E1A

analogous

#1A91A1 #1A4DA1 #2A1AA1

triadic

#1A4DA1 #A11A4D #4DA11A

tetradic

#1A4DA1 #A11A91 #A16E1A #1AA12A

square

#1A4DA1 #A11A91 #A16E1A #1AA12A

split-complementary

#1A4DA1 #A12A1A #91A11A

monochromatic

#091B38 #11346C #1A4DA1 #2366D6 #5289E3

Accessibility & contrast

On white

8.01

#1A4DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1A4DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4DA1

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4DA1	#FFFFFF	#000000	##FFFFFF
##1A4DA1	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1357A4

Deuteranopia (green-blind)

#004B9F

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1a4da1;
/* rgb */ color: rgb(26, 77, 161);
/* oklch */ color: oklch(43.8% 0.147 260.1);

Tailwind

colors: {
  custom: {
    50: '#6f7ebd',
    500: '#1a4da1',
    950: '#000000',
  },
}

SCSS

$custom: #1a4da1;
$custom-light: #6f7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4da1",
  "rgb": {
    "r": 26,
    "g": 77,
    "b": 161
  },
  "hsl": {
    "h": 217.333,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43786,
    "c": 0.14679,
    "h": 260.1
  },
  "luminance": 0.08101
}

Semantic roles & 50–950 ramp

primary

#1A4DA1

secondary

#C69A51

accent

#AA39EF

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1A4DA1

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

Preview Lab → · Contrast checker → · Palette generator →