#1A5571#1A5571

#1A5571 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.075 H 233.3°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#1A5571
RGB	rgb(26, 85, 113)
HSL	hsl(199, 63%, 27%)
HSV	hsv(199, 77%, 44%)
CMYK	cmyk(77%, 24.8%, 0%, 55.7%)
CIE-LAB	lab(33.79, -8.54, -21.41)
CIE-LCH	lch(33.79, 23.06, 248.25°)
OKLab	oklab(42.54% -0.0448 -0.0602)
OKLCH	oklch(42.54% 0.075 233.3)
XYZ	xyz(6.6539, 7.9081, 16.7953)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5571 #71361A

analogous

#1A7161 #1A5571 #1A2A71

triadic

#1A5571 #711A55 #55711A

tetradic

#1A5571 #611A71 #71361A #2A711A

square

#1A5571 #611A71 #71361A #2A711A

split-complementary

#1A5571 #711A2A #71611A

monochromatic

#061319 #0F303F #1A5571 #257AA3 #359ED0

Accessibility & contrast

On white

8.13

#1A5571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1A5571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5571

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5571	#FFFFFF	#000000	##FFFFFF
##1A5571	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475472

Deuteranopia (green-blind)

#3B4C71

Tritanopia (blue-blind)

#005C5E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1a5571;
/* rgb */ color: rgb(26, 85, 113);
/* oklch */ color: oklch(42.5% 0.075 233.3);

Tailwind

colors: {
  custom: {
    50: '#64849a',
    500: '#1a5571',
    950: '#000000',
  },
}

SCSS

$custom: #1a5571;
$custom-light: #64849a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5571",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 113
  },
  "hsl": {
    "h": 199.31,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.42544,
    "c": 0.0751,
    "h": 233.3
  },
  "luminance": 0.07909
}

Semantic roles & 50–950 ramp

primary

#1A5571

secondary

#A66141

accent

#7742E6

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1A5571

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

Preview Lab → · Contrast checker → · Palette generator →