#1B7CB4#1B7CB4

#1B7CB4 is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.121 H 240.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B7CB4
RGB	rgb(27, 124, 180)
HSL	hsl(202, 74%, 41%)
HSV	hsv(202, 85%, 71%)
CMYK	cmyk(85%, 31.1%, 0%, 29.4%)
CIE-LAB	lab(49.43, -6.54, -37.05)
CIE-LCH	lch(49.43, 37.62, 260.00°)
OKLab	oklab(56.05% -0.059 -0.1051)
OKLCH	oklch(56.05% 0.121 240.7)
XYZ	xyz(15.8946, 17.9416, 45.7965)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7CB4 #B4531B

analogous

#1BB49F #1B7CB4 #1B2FB4

triadic

#1B7CB4 #B41B7C #7CB41B

tetradic

#1B7CB4 #9F1BB4 #B4531B #2FB41B

square

#1B7CB4 #9F1BB4 #B4531B #2FB41B

split-complementary

#1B7CB4 #B41B2F #B49F1B

monochromatic

#0B334A #13577F #1B7CB4 #2D9EDF #62B7E7

Accessibility & contrast

On white

4.58

#1B7CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#1B7CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B7CB4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7CB4	#FFFFFF	#000000	##000000
##1B7CB4	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617DB6

Deuteranopia (green-blind)

#4D6FB3

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b7cb4;
/* rgb */ color: rgb(27, 124, 180);
/* oklch */ color: oklch(56.0% 0.121 240.7);

Tailwind

colors: {
  custom: {
    50: '#73a1ca',
    500: '#1b7cb4',
    950: '#000000',
  },
}

SCSS

$custom: #1b7cb4;
$custom-light: #73a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7cb4",
  "rgb": {
    "r": 27,
    "g": 124,
    "b": 180
  },
  "hsl": {
    "h": 201.961,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56047,
    "c": 0.12059,
    "h": 240.7
  },
  "luminance": 0.17944
}

Semantic roles & 50–950 ramp

primary

#1B7CB4

secondary

#CC875F

accent

#7B37F1

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #1B7CB4

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

Preview Lab → · Contrast checker → · Palette generator →