#1B5C82#1B5C82

#1B5C82 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.3% C 0.089 H 239.3°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C82
RGB	rgb(27, 92, 130)
HSL	hsl(202, 66%, 31%)
HSV	hsv(202, 79%, 51%)
CMYK	cmyk(79.2%, 29.2%, 0%, 49%)
CIE-LAB	lab(36.93, -6.24, -27.01)
CIE-LCH	lch(36.93, 27.72, 256.99°)
OKLab	oklab(45.32% -0.0454 -0.0764)
OKLCH	oklch(45.32% 0.089 239.3)
XYZ	xyz(8.3068, 9.4980, 22.5103)
Luminance	0.0950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C82 #82411B

analogous

#1B8274 #1B5C82 #1B2882

triadic

#1B5C82 #821B5C #5C821B

tetradic

#1B5C82 #741B82 #82411B #28821B

square

#1B5C82 #741B82 #82411B #28821B

split-complementary

#1B5C82 #821B28 #82741B

monochromatic

#06141D #10384F #1B5C82 #2680B5 #40A0D7

Accessibility & contrast

On white

7.24

#1B5C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#1B5C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C82

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C82	#FFFFFF	#000000	##FFFFFF
##1B5C82	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5C84

Deuteranopia (green-blind)

#3C5381

Tritanopia (blue-blind)

#006669

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b5c82;
/* rgb */ color: rgb(27, 92, 130);
/* oklch */ color: oklch(45.3% 0.089 239.3);

Tailwind

colors: {
  custom: {
    50: '#688aa6',
    500: '#1b5c82',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c82;
$custom-light: #688aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c82",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 130
  },
  "hsl": {
    "h": 202.136,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45317,
    "c": 0.08884,
    "h": 239.3
  },
  "luminance": 0.09499
}

Semantic roles & 50–950 ramp

primary

#1B5C82

secondary

#B66D43

accent

#7E3FE9

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1B5C82

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

Preview Lab → · Contrast checker → · Palette generator →