#1B748E#1B748E

#1B748E is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.1% C 0.089 H 222.6°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B748E
RGB	rgb(27, 116, 142)
HSL	hsl(194, 68%, 33%)
HSV	hsv(194, 81%, 56%)
CMYK	cmyk(81%, 18.3%, 0%, 44.3%)
CIE-LAB	lab(45.19, -15.88, -21.40)
CIE-LCH	lch(45.19, 26.65, 233.42°)
OKLab	oklab(52.09% -0.0651 -0.06)
OKLCH	oklch(52.09% 0.089 222.6)
XYZ	xyz(11.5778, 14.6754, 27.8084)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B748E #8E351B

analogous

#1B8E6E #1B748E #1B3B8E

triadic

#1B748E #8E1B74 #748E1B

tetradic

#1B748E #6E1B8E #8E351B #3B8E1B

square

#1B748E #6E1B8E #8E351B #3B8E1B

split-complementary

#1B748E #8E1B3B #8E6E1B

monochromatic

#072027 #114A5B #1B748E #259EC1 #47BADC

Accessibility & contrast

On white

5.34

#1B748E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#1B748E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B748E

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B748E	#FFFFFF	#000000	##FFFFFF
##1B748E	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65718F

Deuteranopia (green-blind)

#56668E

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1b748e;
/* rgb */ color: rgb(27, 116, 142);
/* oklch */ color: oklch(52.1% 0.089 222.6);

Tailwind

colors: {
  custom: {
    50: '#6c9caf',
    500: '#1b748e',
    950: '#000000',
  },
}

SCSS

$custom: #1b748e;
$custom-light: #6c9caf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b748e",
  "rgb": {
    "r": 27,
    "g": 116,
    "b": 142
  },
  "hsl": {
    "h": 193.565,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.52093,
    "c": 0.08853,
    "h": 222.6
  },
  "luminance": 0.14677
}

Semantic roles & 50–950 ramp

primary

#1B748E

secondary

#BE6247

accent

#643DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B748E

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

Preview Lab → · Contrast checker → · Palette generator →