#1B6283#1B6283

#1B6283 is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.9% C 0.086 H 233.5°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B6283
RGB	rgb(27, 98, 131)
HSL	hsl(199, 66%, 31%)
HSV	hsv(199, 79%, 51%)
CMYK	cmyk(79.4%, 25.2%, 0%, 48.6%)
CIE-LAB	lab(38.91, -9.50, -24.52)
CIE-LCH	lch(38.91, 26.30, 248.82°)
OKLab	oklab(46.91% -0.0511 -0.0691)
OKLCH	oklch(46.91% 0.086 233.5)
XYZ	xyz(8.9148, 10.6060, 23.0456)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6283 #833C1B

analogous

#1B8370 #1B6283 #1B2E83

triadic

#1B6283 #831B62 #62831B

tetradic

#1B6283 #701B83 #833C1B #2E831B

square

#1B6283 #701B83 #833C1B #2E831B

split-complementary

#1B6283 #831B2E #83701B

monochromatic

#06161E #113C50 #1B6283 #2588B6 #41A8D8

Accessibility & contrast

On white

6.73

#1B6283 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#1B6283 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6283

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6283	#FFFFFF	#000000	##FFFFFF
##1B6283	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526185

Deuteranopia (green-blind)

#445782

Tritanopia (blue-blind)

#006B6D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b6283;
/* rgb */ color: rgb(27, 98, 131);
/* oklch */ color: oklch(46.9% 0.086 233.5);

Tailwind

colors: {
  custom: {
    50: '#698ea7',
    500: '#1b6283',
    950: '#000000',
  },
}

SCSS

$custom: #1b6283;
$custom-light: #698ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6283",
  "rgb": {
    "r": 27,
    "g": 98,
    "b": 131
  },
  "hsl": {
    "h": 199.038,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4691,
    "c": 0.08595,
    "h": 233.5
  },
  "luminance": 0.10607
}

Semantic roles & 50–950 ramp

primary

#1B6283

secondary

#B66843

accent

#753FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B6283

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

Preview Lab → · Contrast checker → · Palette generator →