#1A4166#1A4166

#1A4166 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.7% C 0.078 H 249.8°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#1A4166
RGB	rgb(26, 65, 102)
HSL	hsl(209, 59%, 25%)
HSV	hsv(209, 75%, 40%)
CMYK	cmyk(74.5%, 36.3%, 0%, 60%)
CIE-LAB	lab(26.62, 0.00, -25.70)
CIE-LCH	lch(26.62, 25.70, 270.01°)
OKLab	oklab(36.68% -0.0269 -0.0729)
OKLCH	oklch(36.68% 0.078 249.8)
XYZ	xyz(4.7137, 4.9590, 13.2766)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4166 #663F1A

analogous

#1A6665 #1A4166 #1A1B66

triadic

#1A4166 #661A41 #41661A

tetradic

#1A4166 #651A66 #663F1A #1B661A

square

#1A4166 #651A66 #663F1A #1B661A

split-complementary

#1A4166 #661A1B #66651A

monochromatic

#061018 #0E2235 #1A4166 #266097 #337FC8

Accessibility & contrast

On white

10.54

#1A4166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1A4166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4166

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4166	#FFFFFF	#000000	##FFFFFF
##1A4166	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304368

Deuteranopia (green-blind)

#263C65

Tritanopia (blue-blind)

#004A4E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a4166;
/* rgb */ color: rgb(26, 65, 102);
/* oklch */ color: oklch(36.7% 0.078 249.8);

Tailwind

colors: {
  custom: {
    50: '#617592',
    500: '#1a4166',
    950: '#000000',
  },
}

SCSS

$custom: #1a4166;
$custom-light: #617592;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4166",
  "rgb": {
    "r": 26,
    "g": 65,
    "b": 102
  },
  "hsl": {
    "h": 209.211,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36681,
    "c": 0.07773,
    "h": 249.8
  },
  "luminance": 0.0496
}

Semantic roles & 50–950 ramp

primary

#1A4166

secondary

#9C6D40

accent

#9245E3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080D

muted

#7A7B7D

Preview Lab

Preview with #1A4166

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

Preview Lab → · Contrast checker → · Palette generator →