#1B748C#1B748C

#1B748C is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.0% C 0.087 H 220.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B748C
RGB	rgb(27, 116, 140)
HSL	hsl(193, 68%, 33%)
HSV	hsv(193, 81%, 55%)
CMYK	cmyk(80.7%, 17.1%, 0%, 45.1%)
CIE-LAB	lab(45.10, -16.59, -20.34)
CIE-LCH	lch(45.10, 26.24, 230.80°)
OKLab	oklab(52% -0.0659 -0.0569)
OKLCH	oklch(52% 0.087 220.8)
XYZ	xyz(11.4290, 14.6158, 27.0246)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B748C #8C331B

analogous

#1B8C6B #1B748C #1B3C8C

triadic

#1B748C #8C1B74 #748C1B

tetradic

#1B748C #6B1B8C #8C331B #3C8C1B

square

#1B748C #6B1B8C #8C331B #3C8C1B

split-complementary

#1B748C #8C1B3C #8C6B1B

monochromatic

#071F25 #114959 #1B748C #259FBF #46BCDB

Accessibility & contrast

On white

5.35

#1B748C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#1B748C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B748C

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B748C	#FFFFFF	#000000	##FFFFFF
##1B748C	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718D

Deuteranopia (green-blind)

#57668C

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1b748c;
/* rgb */ color: rgb(27, 116, 140);
/* oklch */ color: oklch(52.0% 0.087 220.8);

Tailwind

colors: {
  custom: {
    50: '#6c9cad',
    500: '#1b748c',
    950: '#000000',
  },
}

SCSS

$custom: #1b748c;
$custom-light: #6c9cad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b748c",
  "rgb": {
    "r": 27,
    "g": 116,
    "b": 140
  },
  "hsl": {
    "h": 192.743,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.51999,
    "c": 0.08712,
    "h": 220.8
  },
  "luminance": 0.14617
}

Semantic roles & 50–950 ramp

primary

#1B748C

secondary

#BD5F46

accent

#623DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B748C

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

Preview Lab → · Contrast checker → · Palette generator →