#1B7AA1#1B7AA1

#1B7AA1 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.5% C 0.102 H 231.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B7AA1
RGB	rgb(27, 122, 161)
HSL	hsl(197, 71%, 37%)
HSV	hsv(197, 83%, 63%)
CMYK	cmyk(83.2%, 24.2%, 0%, 36.9%)
CIE-LAB	lab(47.91, -12.41, -28.38)
CIE-LCH	lch(47.91, 30.97, 246.37°)
OKLab	oklab(54.55% -0.0637 -0.08)
OKLCH	oklch(54.55% 0.102 231.5)
XYZ	xyz(13.8419, 16.7235, 36.2097)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7AA1 #A1421B

analogous

#1BA185 #1B7AA1 #1B37A1

triadic

#1B7AA1 #A11B7A #7AA11B

tetradic

#1B7AA1 #851BA1 #A1421B #37A11B

square

#1B7AA1 #851BA1 #A1421B #37A11B

split-complementary

#1B7AA1 #A11B37 #A1851B

monochromatic

#092B38 #12526D #1B7AA1 #24A2D5 #54B9E2

Accessibility & contrast

On white

4.83

#1B7AA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#1B7AA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7AA1

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7AA1	#FFFFFF	#000000	##FFFFFF
##1B7AA1	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A3

Deuteranopia (green-blind)

#556CA0

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b7aa1;
/* rgb */ color: rgb(27, 122, 161);
/* oklch */ color: oklch(54.5% 0.102 231.5);

Tailwind

colors: {
  custom: {
    50: '#70a0bd',
    500: '#1b7aa1',
    950: '#000000',
  },
}

SCSS

$custom: #1b7aa1;
$custom-light: #70a0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7aa1",
  "rgb": {
    "r": 27,
    "g": 122,
    "b": 161
  },
  "hsl": {
    "h": 197.463,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54546,
    "c": 0.10224,
    "h": 231.5
  },
  "luminance": 0.16725
}

Semantic roles & 50–950 ramp

primary

#1B7AA1

secondary

#C57452

accent

#6E3AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B7AA1

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

Preview Lab → · Contrast checker → · Palette generator →