#1F748C#1F748C

#1F748C is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.1% C 0.086 H 221.3°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#1F748C
RGB	rgb(31, 116, 140)
HSL	hsl(193, 64%, 34%)
HSV	hsv(193, 78%, 55%)
CMYK	cmyk(77.9%, 17.1%, 0%, 45.1%)
CIE-LAB	lab(45.18, -16.13, -20.21)
CIE-LCH	lch(45.18, 25.85, 231.41°)
OKLab	oklab(52.09% -0.0643 -0.0565)
OKLCH	oklch(52.09% 0.086 221.3)
XYZ	xyz(11.5421, 14.6741, 27.0299)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F748C #8C371F

analogous

#1F8C6D #1F748C #1F3D8C

triadic

#1F748C #8C1F74 #748C1F

tetradic

#1F748C #6D1F8C #8C371F #3D8C1F

square

#1F748C #6D1F8C #8C371F #3D8C1F

split-complementary

#1F748C #8C1F3D #8C6D1F

monochromatic

#092128 #144A5A #1F748C #2A9EBE #4EB9D8

Accessibility & contrast

On white

5.34

#1F748C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#1F748C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F748C

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F748C	#FFFFFF	#000000	##FFFFFF
##1F748C	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)

#66718D

Deuteranopia (green-blind)

#57668C

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1f748c;
/* rgb */ color: rgb(31, 116, 140);
/* oklch */ color: oklch(52.1% 0.086 221.3);

Tailwind

colors: {
  custom: {
    50: '#6d9cad',
    500: '#1f748c',
    950: '#000000',
  },
}

SCSS

$custom: #1f748c;
$custom-light: #6d9cad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f748c",
  "rgb": {
    "r": 31,
    "g": 116,
    "b": 140
  },
  "hsl": {
    "h": 193.211,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.52087,
    "c": 0.08562,
    "h": 221.3
  },
  "luminance": 0.14676
}

Semantic roles & 50–950 ramp

primary

#1F748C

secondary

#BB654C

accent

#6641E7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F748C

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

Preview Lab → · Contrast checker → · Palette generator →