#1B6579#1B6579

#1B6579 is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.076 H 220.2°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B6579
RGB	rgb(27, 101, 121)
HSL	hsl(193, 64%, 29%)
HSV	hsv(193, 78%, 47%)
CMYK	cmyk(77.7%, 16.5%, 0%, 52.5%)
CIE-LAB	lab(39.45, -14.91, -17.60)
CIE-LCH	lch(39.45, 23.07, 229.74°)
OKLab	oklab(47.19% -0.0583 -0.0492)
OKLCH	oklch(47.19% 0.076 220.2)
XYZ	xyz(8.5554, 10.9198, 19.7423)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6579 #792F1B

analogous

#1B795E #1B6579 #1B3679

triadic

#1B6579 #791B65 #65791B

tetradic

#1B6579 #5E1B79 #792F1B #36791B

square

#1B6579 #5E1B79 #792F1B #36791B

split-complementary

#1B6579 #791B36 #795E1B

monochromatic

#061519 #103B47 #1B6579 #268FAB #3BB3D3

Accessibility & contrast

On white

6.60

#1B6579 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1B6579 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6579

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6579	#FFFFFF	#000000	##FFFFFF
##1B6579	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59627A

Deuteranopia (green-blind)

#4C5979

Tritanopia (blue-blind)

#006C6B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b6579;
/* rgb */ color: rgb(27, 101, 121);
/* oklch */ color: oklch(47.2% 0.076 220.2);

Tailwind

colors: {
  custom: {
    50: '#67919f',
    500: '#1b6579',
    950: '#000000',
  },
}

SCSS

$custom: #1b6579;
$custom-light: #67919f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6579",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 121
  },
  "hsl": {
    "h": 192.766,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.47193,
    "c": 0.07628,
    "h": 220.2
  },
  "luminance": 0.10921
}

Semantic roles & 50–950 ramp

primary

#1B6579

secondary

#AD5943

accent

#6441E7

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1B6579

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

Preview Lab → · Contrast checker → · Palette generator →