#1F7F99#1F7F99

#1F7F99 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.5% C 0.093 H 220.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F7F99
RGB	rgb(31, 127, 153)
HSL	hsl(193, 66%, 36%)
HSV	hsv(193, 80%, 60%)
CMYK	cmyk(79.7%, 17%, 0%, 40%)
CIE-LAB	lab(49.21, -17.65, -21.67)
CIE-LCH	lch(49.21, 27.95, 230.83°)
OKLab	oklab(55.5% -0.0702 -0.0607)
OKLCH	oklch(55.5% 0.093 220.8)
XYZ	xyz(13.9018, 17.7682, 32.8277)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7F99 #99391F

analogous

#1F9976 #1F7F99 #1F4299

triadic

#1F7F99 #991F7F #7F991F

tetradic

#1F7F99 #761F99 #99391F #42991F

square

#1F7F99 #761F99 #99391F #42991F

split-complementary

#1F7F99 #991F42 #99761F

monochromatic

#0A2B33 #155566 #1F7F99 #29A9CC #56C0DD

Accessibility & contrast

On white

4.61

#1F7F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#1F7F99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7F99

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7F99	#FFFFFF	#000000	##FFFFFF
##1F7F99	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9A

Deuteranopia (green-blind)

#5F7099

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f7f99;
/* rgb */ color: rgb(31, 127, 153);
/* oklch */ color: oklch(55.5% 0.093 220.8);

Tailwind

colors: {
  custom: {
    50: '#70a4b7',
    500: '#1f7f99',
    950: '#000000',
  },
}

SCSS

$custom: #1f7f99;
$custom-light: #70a4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7f99",
  "rgb": {
    "r": 31,
    "g": 127,
    "b": 153
  },
  "hsl": {
    "h": 192.787,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.55499,
    "c": 0.09276,
    "h": 220.8
  },
  "luminance": 0.1777
}

Semantic roles & 50–950 ramp

primary

#1F7F99

secondary

#C06B54

accent

#633FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F7F99

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

Preview Lab → · Contrast checker → · Palette generator →