#1B7FA1#1B7FA1

#1B7FA1 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.8% C 0.100 H 226.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B7FA1
RGB	rgb(27, 127, 161)
HSL	hsl(195, 71%, 37%)
HSV	hsv(195, 83%, 63%)
CMYK	cmyk(83.2%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(49.48, -15.23, -25.94)
CIE-LCH	lch(49.48, 30.08, 239.58°)
OKLab	oklab(55.8% -0.0685 -0.0729)
OKLCH	oklch(55.8% 0.1 226.8)
XYZ	xyz(14.4717, 17.9831, 36.4197)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7FA1 #A13D1B

analogous

#1BA180 #1B7FA1 #1B3CA1

triadic

#1B7FA1 #A11B7F #7FA11B

tetradic

#1B7FA1 #801BA1 #A13D1B #3CA11B

square

#1B7FA1 #801BA1 #A13D1B #3CA11B

split-complementary

#1B7FA1 #A11B3C #A1801B

monochromatic

#092C38 #12566D #1B7FA1 #24A8D5 #54BEE2

Accessibility & contrast

On white

4.57

#1B7FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#1B7FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B7FA1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7FA1	#FFFFFF	#000000	##000000
##1B7FA1	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA3

Deuteranopia (green-blind)

#5B70A1

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b7fa1;
/* rgb */ color: rgb(27, 127, 161);
/* oklch */ color: oklch(55.8% 0.100 226.8);

Tailwind

colors: {
  custom: {
    50: '#70a4bd',
    500: '#1b7fa1',
    950: '#000000',
  },
}

SCSS

$custom: #1b7fa1;
$custom-light: #70a4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7fa1",
  "rgb": {
    "r": 27,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 195.224,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55798,
    "c": 0.10003,
    "h": 226.8
  },
  "luminance": 0.17985
}

Semantic roles & 50–950 ramp

primary

#1B7FA1

secondary

#C57052

accent

#683AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1B7FA1

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

Preview Lab → · Contrast checker → · Palette generator →