#1B6589#1B6589

#1B6589 is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.0% C 0.090 H 234.9°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B6589
RGB	rgb(27, 101, 137)
HSL	hsl(200, 67%, 32%)
HSV	hsv(200, 80%, 54%)
CMYK	cmyk(80.3%, 26.3%, 0%, 46.3%)
CIE-LAB	lab(40.16, -9.04, -26.21)
CIE-LCH	lch(40.16, 27.72, 250.96°)
OKLab	oklab(48% -0.0519 -0.0739)
OKLCH	oklch(48% 0.09 234.9)
XYZ	xyz(9.6192, 11.3453, 25.3450)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6589 #893F1B

analogous

#1B8976 #1B6589 #1B2E89

triadic

#1B6589 #891B65 #65891B

tetradic

#1B6589 #761B89 #893F1B #2E891B

square

#1B6589 #761B89 #893F1B #2E891B

split-complementary

#1B6589 #891B2E #89761B

monochromatic

#071A23 #113F56 #1B6589 #258BBC #44A9DA

Accessibility & contrast

On white

6.42

#1B6589 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#1B6589 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6589

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6589	#FFFFFF	#000000	##FFFFFF
##1B6589	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53648B

Deuteranopia (green-blind)

#455A88

Tritanopia (blue-blind)

#006E71

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1b6589;
/* rgb */ color: rgb(27, 101, 137);
/* oklch */ color: oklch(48.0% 0.090 234.9);

Tailwind

colors: {
  custom: {
    50: '#6a90ab',
    500: '#1b6589',
    950: '#000000',
  },
}

SCSS

$custom: #1b6589;
$custom-light: #6a90ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6589",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 137
  },
  "hsl": {
    "h": 199.636,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.47997,
    "c": 0.09037,
    "h": 234.9
  },
  "luminance": 0.11347
}

Semantic roles & 50–950 ramp

primary

#1B6589

secondary

#BC6B44

accent

#763EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1B6589

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

Preview Lab → · Contrast checker → · Palette generator →