#1A4CA1#1A4CA1

#1A4CA1 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.6% C 0.148 H 260.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1A4CA1
RGB	rgb(26, 76, 161)
HSL	hsl(218, 72%, 37%)
HSV	hsv(218, 84%, 63%)
CMYK	cmyk(83.9%, 52.8%, 0%, 36.9%)
CIE-LAB	lab(33.90, 16.47, -50.64)
CIE-LCH	lch(33.90, 53.25, 288.02°)
OKLab	oklab(43.57% -0.0246 -0.146)
OKLCH	oklch(43.57% 0.148 260.4)
XYZ	xyz(9.4411, 7.9605, 34.7502)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4CA1 #A16F1A

analogous

#1A90A1 #1A4CA1 #2C1AA1

triadic

#1A4CA1 #A11A4C #4CA11A

tetradic

#1A4CA1 #A11A90 #A16F1A #1AA12C

square

#1A4CA1 #A11A90 #A16F1A #1AA12C

split-complementary

#1A4CA1 #A12C1A #90A11A

monochromatic

#091A38 #11336C #1A4CA1 #2365D6 #5288E3

Accessibility & contrast

On white

8.10

#1A4CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1A4CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4CA1

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4CA1	#FFFFFF	#000000	##FFFFFF
##1A4CA1	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F56A4

Deuteranopia (green-blind)

#004A9F

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1a4ca1;
/* rgb */ color: rgb(26, 76, 161);
/* oklch */ color: oklch(43.6% 0.148 260.4);

Tailwind

colors: {
  custom: {
    50: '#6f7dbd',
    500: '#1a4ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1a4ca1;
$custom-light: #6f7dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4ca1",
  "rgb": {
    "r": 26,
    "g": 76,
    "b": 161
  },
  "hsl": {
    "h": 217.778,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43566,
    "c": 0.14805,
    "h": 260.4
  },
  "luminance": 0.07962
}

Semantic roles & 50–950 ramp

primary

#1A4CA1

secondary

#C69B51

accent

#AB39EF

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1A4CA1

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

Preview Lab → · Contrast checker → · Palette generator →