#1A5181#1A5181

#1A5181 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.4% C 0.098 H 248.9°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#1A5181
RGB	rgb(26, 81, 129)
HSL	hsl(208, 66%, 30%)
HSV	hsv(208, 80%, 51%)
CMYK	cmyk(79.8%, 37.2%, 0%, 49.4%)
CIE-LAB	lab(33.33, 0.21, -32.07)
CIE-LCH	lch(33.33, 32.07, 270.37°)
OKLab	oklab(42.45% -0.0353 -0.0913)
OKLCH	oklch(42.45% 0.098 248.9)
XYZ	xyz(7.3294, 7.6886, 21.8624)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5181 #814A1A

analogous

#1A817D #1A5181 #1A1D81

triadic

#1A5181 #811A51 #51811A

tetradic

#1A5181 #7D1A81 #814A1A #1D811A

square

#1A5181 #7D1A81 #814A1A #1D811A

split-complementary

#1A5181 #811A1D #817D1A

monochromatic

#05111B #10314E #1A5181 #2471B4 #3D90D8

Accessibility & contrast

On white

8.27

#1A5181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1A5181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5181

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5181	#FFFFFF	#000000	##FFFFFF
##1A5181	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5483

Deuteranopia (green-blind)

#2B4A80

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1a5181;
/* rgb */ color: rgb(26, 81, 129);
/* oklch */ color: oklch(42.4% 0.098 248.9);

Tailwind

colors: {
  custom: {
    50: '#6781a6',
    500: '#1a5181',
    950: '#000000',
  },
}

SCSS

$custom: #1a5181;
$custom-light: #6781a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5181",
  "rgb": {
    "r": 26,
    "g": 81,
    "b": 129
  },
  "hsl": {
    "h": 207.961,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.42449,
    "c": 0.0979,
    "h": 248.9
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#1A5181

secondary

#B57742

accent

#8E3EE9

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A5181

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

Preview Lab → · Contrast checker → · Palette generator →