#1B7E9A#1B7E9A

#1B7E9A is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.2% C 0.095 H 222.3°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B7E9A
RGB	rgb(27, 126, 154)
HSL	hsl(193, 70%, 35%)
HSV	hsv(193, 82%, 60%)
CMYK	cmyk(82.5%, 18.2%, 0%, 39.6%)
CIE-LAB	lab(48.87, -17.16, -22.80)
CIE-LCH	lch(48.87, 28.54, 233.02°)
OKLab	oklab(55.21% -0.0702 -0.0639)
OKLCH	oklch(55.21% 0.095 222.3)
XYZ	xyz(13.7431, 17.4861, 33.2164)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7E9A #9A371B

analogous

#1B9A76 #1B7E9A #1B3F9A

triadic

#1B7E9A #9A1B7E #7E9A1B

tetradic

#1B7E9A #761B9A #9A371B #3F9A1B

square

#1B7E9A #761B9A #9A371B #3F9A1B

split-complementary

#1B7E9A #9A1B3F #9A761B

monochromatic

#092932 #125366 #1B7E9A #24A9CE #4FC0E0

Accessibility & contrast

On white

4.67

#1B7E9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#1B7E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7E9A

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7E9A	#FFFFFF	#000000	##FFFFFF
##1B7E9A	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9B

Deuteranopia (green-blind)

#5D6F9A

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b7e9a;
/* rgb */ color: rgb(27, 126, 154);
/* oklch */ color: oklch(55.2% 0.095 222.3);

Tailwind

colors: {
  custom: {
    50: '#6fa3b7',
    500: '#1b7e9a',
    950: '#000000',
  },
}

SCSS

$custom: #1b7e9a;
$custom-light: #6fa3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7e9a",
  "rgb": {
    "r": 27,
    "g": 126,
    "b": 154
  },
  "hsl": {
    "h": 193.228,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.55213,
    "c": 0.09496,
    "h": 222.3
  },
  "luminance": 0.17488
}

Semantic roles & 50–950 ramp

primary

#1B7E9A

secondary

#C3684E

accent

#623BED

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B7E9A

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

Preview Lab → · Contrast checker → · Palette generator →