#1A4E81#1A4E81

#1A4E81 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.7% C 0.101 H 251.3°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A4E81
RGB	rgb(26, 78, 129)
HSL	hsl(210, 66%, 30%)
HSV	hsv(210, 80%, 51%)
CMYK	cmyk(79.8%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(32.38, 2.18, -33.58)
CIE-LCH	lch(32.38, 33.65, 273.71°)
OKLab	oklab(41.7% -0.0324 -0.0958)
OKLCH	oklch(41.7% 0.101 251.3)
XYZ	xyz(7.1113, 7.2525, 21.7897)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4E81 #814D1A

analogous

#1A8181 #1A4E81 #1A1A81

triadic

#1A4E81 #811A4E #4E811A

tetradic

#1A4E81 #811A81 #814D1A #1A811A

square

#1A4E81 #811A81 #814D1A #1A811A

split-complementary

#1A4E81 #811A1A #81811A

monochromatic

#05101B #102F4E #1A4E81 #246DB4 #3D8BD8

Accessibility & contrast

On white

8.57

#1A4E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1A4E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4E81

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4E81	#FFFFFF	#000000	##FFFFFF
##1A4E81	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365183

Deuteranopia (green-blind)

#264880

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1a4e81;
/* rgb */ color: rgb(26, 78, 129);
/* oklch */ color: oklch(41.7% 0.101 251.3);

Tailwind

colors: {
  custom: {
    50: '#677fa6',
    500: '#1a4e81',
    950: '#000000',
  },
}

SCSS

$custom: #1a4e81;
$custom-light: #677fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4e81",
  "rgb": {
    "r": 26,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 209.709,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41704,
    "c": 0.10112,
    "h": 251.3
  },
  "luminance": 0.07253
}

Semantic roles & 50–950 ramp

primary

#1A4E81

secondary

#B57B42

accent

#933EE9

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A4E81

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

Preview Lab → · Contrast checker → · Palette generator →