#1C5B82#1C5B82

#1C5B82 is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.1% C 0.089 H 240.6°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C5B82
RGB	rgb(28, 91, 130)
HSL	hsl(203, 65%, 31%)
HSV	hsv(203, 78%, 51%)
CMYK	cmyk(78.5%, 30%, 0%, 49%)
CIE-LAB	lab(36.63, -5.49, -27.47)
CIE-LCH	lch(36.63, 28.01, 258.69°)
OKLab	oklab(45.09% -0.0438 -0.0777)
OKLCH	oklch(45.09% 0.089 240.6)
XYZ	xyz(8.2477, 9.3398, 22.4828)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5B82 #82431C

analogous

#1C8276 #1C5B82 #1C2882

triadic

#1C5B82 #821C5B #5B821C

tetradic

#1C5B82 #761C82 #82431C #28821C

square

#1C5B82 #761C82 #82431C #28821C

split-complementary

#1C5B82 #821C28 #82761C

monochromatic

#06151D #113850 #1C5B82 #277EB4 #429ED6

Accessibility & contrast

On white

7.32

#1C5B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1C5B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B82

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5B82	#FFFFFF	#000000	##FFFFFF
##1C5B82	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495B84

Deuteranopia (green-blind)

#3B5281

Tritanopia (blue-blind)

#006569

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c5b82;
/* rgb */ color: rgb(28, 91, 130);
/* oklch */ color: oklch(45.1% 0.089 240.6);

Tailwind

colors: {
  custom: {
    50: '#6889a6',
    500: '#1c5b82',
    950: '#000000',
  },
}

SCSS

$custom: #1c5b82;
$custom-light: #6889a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5b82",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 130
  },
  "hsl": {
    "h": 202.941,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4509,
    "c": 0.08923,
    "h": 240.6
  },
  "luminance": 0.09341
}

Semantic roles & 50–950 ramp

primary

#1C5B82

secondary

#B57044

accent

#8040E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C5B82

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

Preview Lab → · Contrast checker → · Palette generator →