#1B6587#1B6587

#1B6587 is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.9% C 0.088 H 233.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B6587
RGB	rgb(27, 101, 135)
HSL	hsl(199, 67%, 32%)
HSV	hsv(199, 80%, 53%)
CMYK	cmyk(80%, 25.2%, 0%, 47.1%)
CIE-LAB	lab(40.06, -9.79, -25.15)
CIE-LCH	lch(40.06, 26.99, 248.72°)
OKLab	oklab(47.89% -0.0527 -0.0709)
OKLCH	oklch(47.89% 0.088 233.4)
XYZ	xyz(9.4771, 11.2885, 24.5964)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6587 #873D1B

analogous

#1B8773 #1B6587 #1B2F87

triadic

#1B6587 #871B65 #65871B

tetradic

#1B6587 #731B87 #873D1B #2F871B

square

#1B6587 #731B87 #873D1B #2F871B

split-complementary

#1B6587 #871B2F #87731B

monochromatic

#071921 #113F54 #1B6587 #258BBA #43AAD9

Accessibility & contrast

On white

6.45

#1B6587 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#1B6587 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6587

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6587	#FFFFFF	#000000	##FFFFFF
##1B6587	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546489

Deuteranopia (green-blind)

#465A86

Tritanopia (blue-blind)

#006E71

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1b6587;
/* rgb */ color: rgb(27, 101, 135);
/* oklch */ color: oklch(47.9% 0.088 233.4);

Tailwind

colors: {
  custom: {
    50: '#6a90aa',
    500: '#1b6587',
    950: '#000000',
  },
}

SCSS

$custom: #1b6587;
$custom-light: #6a90aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6587",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 135
  },
  "hsl": {
    "h": 198.889,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.47891,
    "c": 0.08831,
    "h": 233.4
  },
  "luminance": 0.1129
}

Semantic roles & 50–950 ramp

primary

#1B6587

secondary

#BA6944

accent

#743EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1B6587

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

Preview Lab → · Contrast checker → · Palette generator →