#1B72A0#1B72A0

#1B72A0 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.5% C 0.106 H 237.9°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#1B72A0
RGB	rgb(27, 114, 160)
HSL	hsl(201, 71%, 37%)
HSV	hsv(201, 83%, 63%)
CMYK	cmyk(83.1%, 28.8%, 0%, 37.3%)
CIE-LAB	lab(45.36, -8.14, -31.77)
CIE-LCH	lch(45.36, 32.79, 255.63°)
OKLab	oklab(52.5% -0.0565 -0.0899)
OKLCH	oklch(52.5% 0.106 237.9)
XYZ	xyz(12.8119, 14.8041, 35.4331)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B72A0 #A0491B

analogous

#1BA08C #1B72A0 #1B30A0

triadic

#1B72A0 #A01B72 #72A01B

tetradic

#1B72A0 #8C1BA0 #A0491B #30A01B

square

#1B72A0 #8C1BA0 #A0491B #30A01B

split-complementary

#1B72A0 #A01B30 #A08C1B

monochromatic

#092737 #124D6C #1B72A0 #2497D4 #53B1E2

Accessibility & contrast

On white

5.30

#1B72A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#1B72A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B72A0

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B72A0	#FFFFFF	#000000	##FFFFFF
##1B72A0	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C72A2

Deuteranopia (green-blind)

#4A669F

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1b72a0;
/* rgb */ color: rgb(27, 114, 160);
/* oklch */ color: oklch(52.5% 0.106 237.9);

Tailwind

colors: {
  custom: {
    50: '#6f9abc',
    500: '#1b72a0',
    950: '#000000',
  },
}

SCSS

$custom: #1b72a0;
$custom-light: #6f9abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b72a0",
  "rgb": {
    "r": 27,
    "g": 114,
    "b": 160
  },
  "hsl": {
    "h": 200.752,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52502,
    "c": 0.10617,
    "h": 237.9
  },
  "luminance": 0.14806
}

Semantic roles & 50–950 ramp

primary

#1B72A0

secondary

#C57A52

accent

#783AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B72A0

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

Preview Lab → · Contrast checker → · Palette generator →