#1A4D81#1A4D81

#1A4D81 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.5% C 0.102 H 252.1°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#1A4D81
RGB	rgb(26, 77, 129)
HSL	hsl(210, 66%, 30%)
HSV	hsv(210, 80%, 51%)
CMYK	cmyk(79.8%, 40.3%, 0%, 49.4%)
CIE-LAB	lab(32.06, 2.84, -34.08)
CIE-LCH	lch(32.06, 34.20, 274.76°)
OKLab	oklab(41.46% -0.0315 -0.0973)
OKLCH	oklch(41.46% 0.102 252.1)
XYZ	xyz(7.0408, 7.1115, 21.7662)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4D81 #814E1A

analogous

#1A8181 #1A4D81 #1A1A81

triadic

#1A4D81 #811A4D #4D811A

tetradic

#1A4D81 #811A81 #814E1A #1A811A

square

#1A4D81 #811A81 #814E1A #1A811A

split-complementary

#1A4D81 #811A1A #81811A

monochromatic

#05101B #102F4E #1A4D81 #246BB4 #3D8AD8

Accessibility & contrast

On white

8.67

#1A4D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1A4D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4D81

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4D81	#FFFFFF	#000000	##FFFFFF
##1A4D81	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345183

Deuteranopia (green-blind)

#244780

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1a4d81;
/* rgb */ color: rgb(26, 77, 129);
/* oklch */ color: oklch(41.5% 0.102 252.1);

Tailwind

colors: {
  custom: {
    50: '#677ea6',
    500: '#1a4d81',
    950: '#000000',
  },
}

SCSS

$custom: #1a4d81;
$custom-light: #677ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4d81",
  "rgb": {
    "r": 26,
    "g": 77,
    "b": 129
  },
  "hsl": {
    "h": 210.291,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41457,
    "c": 0.10223,
    "h": 252.1
  },
  "luminance": 0.07112
}

Semantic roles & 50–950 ramp

primary

#1A4D81

secondary

#B57C42

accent

#953EE9

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1A4D81

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

Preview Lab → · Contrast checker → · Palette generator →