#1B7DA1#1B7DA1

#1B7DA1 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.3% C 0.101 H 228.7°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B7DA1
RGB	rgb(27, 125, 161)
HSL	hsl(196, 71%, 37%)
HSV	hsv(196, 83%, 63%)
CMYK	cmyk(83.2%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(48.85, -14.11, -26.91)
CIE-LCH	lch(48.85, 30.39, 242.33°)
OKLab	oklab(55.3% -0.0665 -0.0757)
OKLCH	oklch(55.3% 0.101 228.7)
XYZ	xyz(14.2160, 17.4717, 36.3344)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7DA1 #A13F1B

analogous

#1BA182 #1B7DA1 #1B3AA1

triadic

#1B7DA1 #A11B7D #7DA11B

tetradic

#1B7DA1 #821BA1 #A13F1B #3AA11B

square

#1B7DA1 #821BA1 #A13F1B #3AA11B

split-complementary

#1B7DA1 #A11B3A #A1821B

monochromatic

#092C38 #12546D #1B7DA1 #24A6D5 #54BCE2

Accessibility & contrast

On white

4.67

#1B7DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#1B7DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7DA1

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7DA1	#FFFFFF	#000000	##FFFFFF
##1B7DA1	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA3

Deuteranopia (green-blind)

#596FA1

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b7da1;
/* rgb */ color: rgb(27, 125, 161);
/* oklch */ color: oklch(55.3% 0.101 228.7);

Tailwind

colors: {
  custom: {
    50: '#70a2bd',
    500: '#1b7da1',
    950: '#000000',
  },
}

SCSS

$custom: #1b7da1;
$custom-light: #70a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7da1",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 196.119,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55297,
    "c": 0.10082,
    "h": 228.7
  },
  "luminance": 0.17473
}

Semantic roles & 50–950 ramp

primary

#1B7DA1

secondary

#C57152

accent

#6A3AEE

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1B7DA1

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

Preview Lab → · Contrast checker → · Palette generator →