#1B6783#1B6783

#1B6783 is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.2% C 0.084 H 227.7°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B6783
RGB	rgb(27, 103, 131)
HSL	hsl(196, 66%, 31%)
HSV	hsv(196, 79%, 51%)
CMYK	cmyk(79.4%, 21.4%, 0%, 48.6%)
CIE-LAB	lab(40.53, -12.45, -22.01)
CIE-LCH	lch(40.53, 25.28, 240.51°)
OKLab	oklab(48.2% -0.0563 -0.0618)
OKLCH	oklch(48.2% 0.084 227.7)
XYZ	xyz(9.3973, 11.5711, 23.2065)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6783 #83371B

analogous

#1B836B #1B6783 #1B3383

triadic

#1B6783 #831B67 #67831B

tetradic

#1B6783 #6B1B83 #83371B #33831B

square

#1B6783 #6B1B83 #83371B #33831B

split-complementary

#1B6783 #831B33 #836B1B

monochromatic

#06171E #113F50 #1B6783 #258FB6 #41AFD8

Accessibility & contrast

On white

6.34

#1B6783 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#1B6783 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6783

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6783	#FFFFFF	#000000	##FFFFFF
##1B6783	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#586584

Deuteranopia (green-blind)

#4A5B83

Tritanopia (blue-blind)

#006F70

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #1b6783;
/* rgb */ color: rgb(27, 103, 131);
/* oklch */ color: oklch(48.2% 0.084 227.7);

Tailwind

colors: {
  custom: {
    50: '#6992a7',
    500: '#1b6783',
    950: '#000000',
  },
}

SCSS

$custom: #1b6783;
$custom-light: #6992a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6783",
  "rgb": {
    "r": 27,
    "g": 103,
    "b": 131
  },
  "hsl": {
    "h": 196.154,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.48201,
    "c": 0.08359,
    "h": 227.7
  },
  "luminance": 0.11572
}

Semantic roles & 50–950 ramp

primary

#1B6783

secondary

#B66243

accent

#6D3FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070D0F

muted

#7A7D7F

Preview Lab

Preview with #1B6783

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

Preview Lab → · Contrast checker → · Palette generator →