#1B7FB4#1B7FB4

#1B7FB4 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.118 H 238.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B7FB4
RGB	rgb(27, 127, 180)
HSL	hsl(201, 74%, 41%)
HSV	hsv(201, 85%, 71%)
CMYK	cmyk(85%, 29.4%, 0%, 29.4%)
CIE-LAB	lab(50.34, -8.29, -35.61)
CIE-LCH	lch(50.34, 36.56, 256.89°)
OKLab	oklab(56.77% -0.0617 -0.1009)
OKLCH	oklch(56.77% 0.118 238.6)
XYZ	xyz(16.2763, 18.7050, 45.9237)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7FB4 #B4501B

analogous

#1BB49C #1B7FB4 #1B33B4

triadic

#1B7FB4 #B41B7F #7FB41B

tetradic

#1B7FB4 #9C1BB4 #B4501B #33B41B

square

#1B7FB4 #9C1BB4 #B4501B #33B41B

split-complementary

#1B7FB4 #B41B33 #B49C1B

monochromatic

#0B344A #13597F #1B7FB4 #2DA2DF #62B9E7

Accessibility & contrast

On white

4.43

#1B7FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#1B7FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B7FB4

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7FB4	#FFFFFF	#000000	##000000
##1B7FB4	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB6

Deuteranopia (green-blind)

#5172B3

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b7fb4;
/* rgb */ color: rgb(27, 127, 180);
/* oklch */ color: oklch(56.8% 0.118 238.6);

Tailwind

colors: {
  custom: {
    50: '#74a4ca',
    500: '#1b7fb4',
    950: '#000000',
  },
}

SCSS

$custom: #1b7fb4;
$custom-light: #74a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7fb4",
  "rgb": {
    "r": 27,
    "g": 127,
    "b": 180
  },
  "hsl": {
    "h": 200.784,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56773,
    "c": 0.11828,
    "h": 238.6
  },
  "luminance": 0.18707
}

Semantic roles & 50–950 ramp

primary

#1B7FB4

secondary

#CC855F

accent

#7737F1

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1B7FB4

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

Preview Lab → · Contrast checker → · Palette generator →