#1A5B79#1A5B79

#1A5B79 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.5% C 0.080 H 233.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#1A5B79
RGB	rgb(26, 91, 121)
HSL	hsl(199, 65%, 29%)
HSV	hsv(199, 79%, 47%)
CMYK	cmyk(78.5%, 24.8%, 0%, 52.5%)
CIE-LAB	lab(36.14, -9.18, -22.71)
CIE-LCH	lch(36.14, 24.50, 248.00°)
OKLab	oklab(44.54% -0.0481 -0.064)
OKLCH	oklch(44.54% 0.08 233)
XYZ	xyz(7.6169, 9.0814, 19.4369)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5B79 #79381A

analogous

#1A7968 #1A5B79 #1A2C79

triadic

#1A5B79 #791A5B #5B791A

tetradic

#1A5B79 #681A79 #79381A #2C791A

square

#1A5B79 #681A79 #79381A #2C791A

split-complementary

#1A5B79 #791A2C #79681A

monochromatic

#051319 #0F3547 #1A5B79 #2581AB #39A3D4

Accessibility & contrast

On white

7.46

#1A5B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#1A5B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5B79

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5B79	#FFFFFF	#000000	##FFFFFF
##1A5B79	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5A7A

Deuteranopia (green-blind)

#3F5179

Tritanopia (blue-blind)

#006365

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1a5b79;
/* rgb */ color: rgb(26, 91, 121);
/* oklch */ color: oklch(44.5% 0.080 233.0);

Tailwind

colors: {
  custom: {
    50: '#6689a0',
    500: '#1a5b79',
    950: '#000000',
  },
}

SCSS

$custom: #1a5b79;
$custom-light: #6689a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5b79",
  "rgb": {
    "r": 26,
    "g": 91,
    "b": 121
  },
  "hsl": {
    "h": 198.947,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.44541,
    "c": 0.08005,
    "h": 233
  },
  "luminance": 0.09082
}

Semantic roles & 50–950 ramp

primary

#1A5B79

secondary

#AD6441

accent

#7540E8

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #1A5B79

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

Preview Lab → · Contrast checker → · Palette generator →