#1A4281#1A4281

#1A4281 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.8% C 0.116 H 259.3°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1A4281
RGB	rgb(26, 66, 129)
HSL	hsl(217, 66%, 30%)
HSV	hsv(217, 80%, 51%)
CMYK	cmyk(79.8%, 48.8%, 0%, 49.4%)
CIE-LAB	lab(28.64, 10.30, -39.55)
CIE-LCH	lch(28.64, 40.87, 284.60°)
OKLab	oklab(38.81% -0.0214 -0.1136)
OKLCH	oklch(38.81% 0.116 259.3)
XYZ	xyz(6.3352, 5.7003, 21.5310)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4281 #81591A

analogous

#1A7581 #1A4281 #251A81

triadic

#1A4281 #811A42 #42811A

tetradic

#1A4281 #811A75 #81591A #1A8125

square

#1A4281 #811A75 #81591A #1A8125

split-complementary

#1A4281 #81251A #75811A

monochromatic

#050E1B #10284E #1A4281 #245CB4 #3D79D8

Accessibility & contrast

On white

9.81

#1A4281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1A4281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4281

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4281	#FFFFFF	#000000	##FFFFFF
##1A4281	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4983

Deuteranopia (green-blind)

#023F80

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1a4281;
/* rgb */ color: rgb(26, 66, 129);
/* oklch */ color: oklch(38.8% 0.116 259.3);

Tailwind

colors: {
  custom: {
    50: '#6775a6',
    500: '#1a4281',
    950: '#000000',
  },
}

SCSS

$custom: #1a4281;
$custom-light: #6775a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4281",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 129
  },
  "hsl": {
    "h": 216.699,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38808,
    "c": 0.11556,
    "h": 259.3
  },
  "luminance": 0.05701
}

Semantic roles & 50–950 ramp

primary

#1A4281

secondary

#B58842

accent

#A73EE9

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A4281

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

Preview Lab → · Contrast checker → · Palette generator →