#1B6384#1B6384

#1B6384 is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.2% C 0.086 H 233.2°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B6384
RGB	rgb(27, 99, 132)
HSL	hsl(199, 66%, 31%)
HSV	hsv(199, 80%, 52%)
CMYK	cmyk(79.5%, 25%, 0%, 48.2%)
CIE-LAB	lab(39.28, -9.72, -24.55)
CIE-LCH	lch(39.28, 26.41, 248.39°)
OKLab	oklab(47.22% -0.0518 -0.0692)
OKLCH	oklch(47.22% 0.086 233.2)
XYZ	xyz(9.0770, 10.8215, 23.4357)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6384 #843C1B

analogous

#1B8470 #1B6384 #1B2E84

triadic

#1B6384 #841B63 #63841B

tetradic

#1B6384 #701B84 #843C1B #2E841B

square

#1B6384 #701B84 #843C1B #2E841B

split-complementary

#1B6384 #841B2E #84701B

monochromatic

#06171E #113D51 #1B6384 #2589B7 #41A9D8

Accessibility & contrast

On white

6.64

#1B6384 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1B6384 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6384

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6384	#FFFFFF	#000000	##FFFFFF
##1B6384	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536286

Deuteranopia (green-blind)

#455883

Tritanopia (blue-blind)

#006C6E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b6384;
/* rgb */ color: rgb(27, 99, 132);
/* oklch */ color: oklch(47.2% 0.086 233.2);

Tailwind

colors: {
  custom: {
    50: '#698fa8',
    500: '#1b6384',
    950: '#000000',
  },
}

SCSS

$custom: #1b6384;
$custom-light: #698fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6384",
  "rgb": {
    "r": 27,
    "g": 99,
    "b": 132
  },
  "hsl": {
    "h": 198.857,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.4722,
    "c": 0.0864,
    "h": 233.2
  },
  "luminance": 0.10823
}

Semantic roles & 50–950 ramp

primary

#1B6384

secondary

#B76843

accent

#743FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B6384

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

Preview Lab → · Contrast checker → · Palette generator →