#1B79A1#1B79A1

#1B79A1 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.3% C 0.103 H 232.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B79A1
RGB	rgb(27, 121, 161)
HSL	hsl(198, 71%, 37%)
HSV	hsv(198, 83%, 63%)
CMYK	cmyk(83.2%, 24.8%, 0%, 36.9%)
CIE-LAB	lab(47.60, -11.84, -28.86)
CIE-LCH	lch(47.60, 31.20, 247.70°)
OKLab	oklab(54.3% -0.0627 -0.0814)
OKLCH	oklch(54.3% 0.103 232.4)
XYZ	xyz(13.7198, 16.4792, 36.1690)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B79A1 #A1431B

analogous

#1BA186 #1B79A1 #1B36A1

triadic

#1B79A1 #A11B79 #79A11B

tetradic

#1B79A1 #861BA1 #A1431B #36A11B

square

#1B79A1 #861BA1 #A1431B #36A11B

split-complementary

#1B79A1 #A11B36 #A1861B

monochromatic

#092A38 #12526D #1B79A1 #24A0D5 #54B8E2

Accessibility & contrast

On white

4.89

#1B79A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#1B79A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B79A1

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B79A1	#FFFFFF	#000000	##FFFFFF
##1B79A1	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6578A3

Deuteranopia (green-blind)

#536CA0

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b79a1;
/* rgb */ color: rgb(27, 121, 161);
/* oklch */ color: oklch(54.3% 0.103 232.4);

Tailwind

colors: {
  custom: {
    50: '#709fbd',
    500: '#1b79a1',
    950: '#000000',
  },
}

SCSS

$custom: #1b79a1;
$custom-light: #709fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b79a1",
  "rgb": {
    "r": 27,
    "g": 121,
    "b": 161
  },
  "hsl": {
    "h": 197.91,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54296,
    "c": 0.10277,
    "h": 232.4
  },
  "luminance": 0.16481
}

Semantic roles & 50–950 ramp

primary

#1B79A1

secondary

#C57552

accent

#703AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B79A1

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

Preview Lab → · Contrast checker → · Palette generator →