#1B5C8A#1B5C8A

#1B5C8A is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.8% C 0.098 H 244.3°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C8A
RGB	rgb(27, 92, 138)
HSL	hsl(205, 67%, 32%)
HSV	hsv(205, 80%, 54%)
CMYK	cmyk(80.4%, 33.3%, 0%, 45.9%)
CIE-LAB	lab(37.34, -3.15, -31.24)
CIE-LCH	lch(37.34, 31.39, 264.24°)
OKLab	oklab(45.78% -0.0427 -0.0887)
OKLCH	oklch(45.78% 0.098 244.3)
XYZ	xyz(8.8648, 9.7212, 25.4490)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C8A #8A491B

analogous

#1B8A81 #1B5C8A #1B248A

triadic

#1B5C8A #8A1B5C #5C8A1B

tetradic

#1B5C8A #811B8A #8A491B #248A1B

square

#1B5C8A #811B8A #8A491B #248A1B

split-complementary

#1B5C8A #8A1B24 #8A811B

monochromatic

#071824 #113A57 #1B5C8A #257EBD #459DDB

Accessibility & contrast

On white

7.13

#1B5C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#1B5C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C8A

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C8A	#FFFFFF	#000000	##FFFFFF
##1B5C8A	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475D8C

Deuteranopia (green-blind)

#375389

Tritanopia (blue-blind)

#00676C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b5c8a;
/* rgb */ color: rgb(27, 92, 138);
/* oklch */ color: oklch(45.8% 0.098 244.3);

Tailwind

colors: {
  custom: {
    50: '#6a89ac',
    500: '#1b5c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c8a;
$custom-light: #6a89ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c8a",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 138
  },
  "hsl": {
    "h": 204.865,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.45777,
    "c": 0.09843,
    "h": 244.3
  },
  "luminance": 0.09722
}

Semantic roles & 50–950 ramp

primary

#1B5C8A

secondary

#BC7645

accent

#853EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5C8A

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

Preview Lab → · Contrast checker → · Palette generator →