#1F758F#1F758F

#1F758F is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.5% C 0.088 H 222.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F758F
RGB	rgb(31, 117, 143)
HSL	hsl(194, 64%, 34%)
HSV	hsv(194, 78%, 56%)
CMYK	cmyk(78.3%, 18.2%, 0%, 43.9%)
CIE-LAB	lab(45.63, -15.63, -21.30)
CIE-LCH	lch(45.63, 26.42, 233.74°)
OKLab	oklab(52.48% -0.0641 -0.0597)
OKLCH	oklch(52.48% 0.088 222.9)
XYZ	xyz(11.8822, 14.9956, 28.2495)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F758F #8F391F

analogous

#1F8F71 #1F758F #1F3D8F

triadic

#1F758F #8F1F75 #758F1F

tetradic

#1F758F #711F8F #8F391F #3D8F1F

square

#1F758F #711F8F #8F391F #3D8F1F

split-complementary

#1F758F #8F1F3D #8F711F

monochromatic

#09232A #144C5D #1F758F #2A9EC1 #4FB9D9

Accessibility & contrast

On white

5.25

#1F758F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#1F758F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F758F

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F758F	#FFFFFF	#000000	##FFFFFF
##1F758F	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667290

Deuteranopia (green-blind)

#57678F

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1f758f;
/* rgb */ color: rgb(31, 117, 143);
/* oklch */ color: oklch(52.5% 0.088 222.9);

Tailwind

colors: {
  custom: {
    50: '#6d9db0',
    500: '#1f758f',
    950: '#000000',
  },
}

SCSS

$custom: #1f758f;
$custom-light: #6d9db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f758f",
  "rgb": {
    "r": 31,
    "g": 117,
    "b": 143
  },
  "hsl": {
    "h": 193.929,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.52484,
    "c": 0.08758,
    "h": 222.9
  },
  "luminance": 0.14997
}

Semantic roles & 50–950 ramp

primary

#1F758F

secondary

#BC674E

accent

#6740E7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F758F

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

Preview Lab → · Contrast checker → · Palette generator →