#1B606F#1B606F

#1B606F is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.4% C 0.070 H 215.5°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#1B606F
RGB	rgb(27, 96, 111)
HSL	hsl(191, 61%, 27%)
HSV	hsv(191, 76%, 44%)
CMYK	cmyk(75.7%, 13.5%, 0%, 56.5%)
CIE-LAB	lab(37.38, -15.61, -14.64)
CIE-LCH	lch(37.38, 21.40, 223.16°)
OKLab	oklab(45.4% -0.0572 -0.0408)
OKLCH	oklch(45.4% 0.07 215.5)
XYZ	xyz(7.5029, 9.7456, 16.5215)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B606F #6F2A1B

analogous

#1B6F54 #1B606F #1B366F

triadic

#1B606F #6F1B60 #606F1B

tetradic

#1B606F #541B6F #6F2A1B #366F1B

square

#1B606F #541B6F #6F2A1B #366F1B

split-complementary

#1B606F #6F1B36 #6F541B

monochromatic

#061519 #0F353E #1B606F #278BA0 #36B3CE

Accessibility & contrast

On white

7.12

#1B606F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1B606F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B606F

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B606F	#FFFFFF	#000000	##FFFFFF
##1B606F	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565D70

Deuteranopia (green-blind)

#4A546F

Tritanopia (blue-blind)

#006565

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b606f;
/* rgb */ color: rgb(27, 96, 111);
/* oklch */ color: oklch(45.4% 0.070 215.5);

Tailwind

colors: {
  custom: {
    50: '#658d98',
    500: '#1b606f',
    950: '#000000',
  },
}

SCSS

$custom: #1b606f;
$custom-light: #658d98;
$custom-dark: #000000;

JSON

{
  "hex": "#1b606f",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 111
  },
  "hsl": {
    "h": 190.714,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.45399,
    "c": 0.07024,
    "h": 215.5
  },
  "luminance": 0.09746
}

Semantic roles & 50–950 ramp

primary

#1B606F

secondary

#A45342

accent

#6044E4

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #1B606F

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

Preview Lab → · Contrast checker → · Palette generator →