#1B6576#1B6576

#1B6576 is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.074 H 216.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B6576
RGB	rgb(27, 101, 118)
HSL	hsl(191, 63%, 28%)
HSV	hsv(191, 77%, 46%)
CMYK	cmyk(77.1%, 14.4%, 0%, 53.7%)
CIE-LAB	lab(39.32, -15.97, -15.96)
CIE-LCH	lch(39.32, 22.58, 224.99°)
OKLab	oklab(47.05% -0.0596 -0.0445)
OKLCH	oklch(47.05% 0.074 216.8)
XYZ	xyz(8.3743, 10.8474, 18.7884)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6576 #762C1B

analogous

#1B7659 #1B6576 #1B3776

triadic

#1B6576 #761B65 #65761B

tetradic

#1B6576 #591B76 #762C1B #37761B

square

#1B6576 #591B76 #762C1B #37761B

split-complementary

#1B6576 #761B37 #76591B

monochromatic

#061519 #103A44 #1B6576 #2690A8 #3AB5D2

Accessibility & contrast

On white

6.63

#1B6576 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1B6576 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6576

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6576	#FFFFFF	#000000	##FFFFFF
##1B6576	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6277

Deuteranopia (green-blind)

#4D5976

Tritanopia (blue-blind)

#006B6A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b6576;
/* rgb */ color: rgb(27, 101, 118);
/* oklch */ color: oklch(47.1% 0.074 216.8);

Tailwind

colors: {
  custom: {
    50: '#67919d',
    500: '#1b6576',
    950: '#000000',
  },
}

SCSS

$custom: #1b6576;
$custom-light: #67919d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6576",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 118
  },
  "hsl": {
    "h": 191.209,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.47054,
    "c": 0.07438,
    "h": 216.8
  },
  "luminance": 0.10848
}

Semantic roles & 50–950 ramp

primary

#1B6576

secondary

#AA5642

accent

#6142E6

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1B6576

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

Preview Lab → · Contrast checker → · Palette generator →