#1B5D86#1B5D86

#1B5D86 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.8% C 0.093 H 241.0°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D86
RGB	rgb(27, 93, 134)
HSL	hsl(203, 66%, 32%)
HSV	hsv(203, 80%, 53%)
CMYK	cmyk(79.9%, 30.6%, 0%, 47.5%)
CIE-LAB	lab(37.45, -5.32, -28.63)
CIE-LCH	lch(37.45, 29.12, 259.47°)
OKLab	oklab(45.8% -0.045 -0.0811)
OKLCH	oklch(45.8% 0.093 241)
XYZ	xyz(8.6677, 9.7819, 23.9809)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D86 #86441B

analogous

#1B867A #1B5D86 #1B2786

triadic

#1B5D86 #861B5D #5D861B

tetradic

#1B5D86 #7A1B86 #86441B #27861B

square

#1B5D86 #7A1B86 #86441B #27861B

split-complementary

#1B5D86 #861B27 #867A1B

monochromatic

#061620 #113A53 #1B5D86 #2580B9 #429FD9

Accessibility & contrast

On white

7.10

#1B5D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1B5D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D86

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D86	#FFFFFF	#000000	##FFFFFF
##1B5D86	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5E88

Deuteranopia (green-blind)

#3B5485

Tritanopia (blue-blind)

#00676B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b5d86;
/* rgb */ color: rgb(27, 93, 134);
/* oklch */ color: oklch(45.8% 0.093 241.0);

Tailwind

colors: {
  custom: {
    50: '#698aa9',
    500: '#1b5d86',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d86;
$custom-light: #698aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d86",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 134
  },
  "hsl": {
    "h": 202.991,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.45797,
    "c": 0.09273,
    "h": 241
  },
  "luminance": 0.09783
}

Semantic roles & 50–950 ramp

primary

#1B5D86

secondary

#B97144

accent

#803EE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5D86

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

Preview Lab → · Contrast checker → · Palette generator →