#1F758C#1F758C

#1F758C is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.3% C 0.085 H 220.2°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F758C
RGB	rgb(31, 117, 140)
HSL	hsl(193, 64%, 34%)
HSV	hsv(193, 78%, 55%)
CMYK	cmyk(77.9%, 16.4%, 0%, 45.1%)
CIE-LAB	lab(45.51, -16.68, -19.71)
CIE-LCH	lch(45.51, 25.82, 229.76°)
OKLab	oklab(52.35% -0.0653 -0.0551)
OKLCH	oklch(52.35% 0.085 220.2)
XYZ	xyz(11.6580, 14.9059, 27.0686)
Luminance	0.1491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F758C #8C361F

analogous

#1F8C6C #1F758C #1F3E8C

triadic

#1F758C #8C1F75 #758C1F

tetradic

#1F758C #6C1F8C #8C361F #3E8C1F

square

#1F758C #6C1F8C #8C361F #3E8C1F

split-complementary

#1F758C #8C1F3E #8C6C1F

monochromatic

#092128 #144B5A #1F758C #2A9FBE #4EBBD8

Accessibility & contrast

On white

5.27

#1F758C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#1F758C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F758C

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F758C	#FFFFFF	#000000	##FFFFFF
##1F758C	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728D

Deuteranopia (green-blind)

#58678C

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1f758c;
/* rgb */ color: rgb(31, 117, 140);
/* oklch */ color: oklch(52.3% 0.085 220.2);

Tailwind

colors: {
  custom: {
    50: '#6d9dad',
    500: '#1f758c',
    950: '#000000',
  },
}

SCSS

$custom: #1f758c;
$custom-light: #6d9dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f758c",
  "rgb": {
    "r": 31,
    "g": 117,
    "b": 140
  },
  "hsl": {
    "h": 192.661,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.52345,
    "c": 0.08548,
    "h": 220.2
  },
  "luminance": 0.14907
}

Semantic roles & 50–950 ramp

primary

#1F758C

secondary

#BB644C

accent

#6441E7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F758C

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

Preview Lab → · Contrast checker → · Palette generator →