#1A4381#1A4381

#1A4381 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.0% C 0.114 H 258.8°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#1A4381
RGB	rgb(26, 67, 129)
HSL	hsl(216, 66%, 30%)
HSV	hsv(216, 80%, 51%)
CMYK	cmyk(79.8%, 48.1%, 0%, 49.4%)
CIE-LAB	lab(28.95, 9.61, -39.06)
CIE-LCH	lch(28.95, 40.22, 283.82°)
OKLab	oklab(39.04% -0.0223 -0.1121)
OKLCH	oklch(39.04% 0.114 258.8)
XYZ	xyz(6.3942, 5.8182, 21.5506)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4381 #81581A

analogous

#1A7681 #1A4381 #251A81

triadic

#1A4381 #811A43 #43811A

tetradic

#1A4381 #811A76 #81581A #1A8125

square

#1A4381 #811A76 #81581A #1A8125

split-complementary

#1A4381 #81251A #76811A

monochromatic

#050E1B #10294E #1A4381 #245DB4 #3D7BD8

Accessibility & contrast

On white

9.71

#1A4381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1A4381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4381

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4381	#FFFFFF	#000000	##FFFFFF
##1A4381	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224983

Deuteranopia (green-blind)

#074080

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1a4381;
/* rgb */ color: rgb(26, 67, 129);
/* oklch */ color: oklch(39.0% 0.114 258.8);

Tailwind

colors: {
  custom: {
    50: '#6776a6',
    500: '#1a4381',
    950: '#000000',
  },
}

SCSS

$custom: #1a4381;
$custom-light: #6776a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4381",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 129
  },
  "hsl": {
    "h": 216.117,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39043,
    "c": 0.11428,
    "h": 258.8
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#1A4381

secondary

#B58742

accent

#A53EE9

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A4381

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

Preview Lab → · Contrast checker → · Palette generator →