#1F99A0#1F99A0

#1F99A0 is a light, moderate teal. Relative luminance 0.256; OKLCH L 62.4% C 0.100 H 201.0°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F99A0
RGB	rgb(31, 153, 160)
HSL	hsl(183, 68%, 37%)
HSV	hsv(183, 81%, 63%)
CMYK	cmyk(80.6%, 4.4%, 0%, 37.3%)
CIE-LAB	lab(57.66, -28.81, -12.85)
CIE-LCH	lch(57.66, 31.54, 204.03°)
OKLab	oklab(62.41% -0.0931 -0.0357)
OKLCH	oklch(62.41% 0.1 201)
XYZ	xyz(18.2986, 25.6095, 37.2296)
Luminance	0.2561 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F99A0 #A0261F

analogous

#1FA067 #1F99A0 #1F58A0

triadic

#1F99A0 #A01F99 #99A01F

tetradic

#1F99A0 #671FA0 #A0261F #58A01F

square

#1F99A0 #671FA0 #A0261F #58A01F

split-complementary

#1F99A0 #A01F58 #A0671F

monochromatic

#0B3739 #15686D #1F99A0 #29CAD3 #5AD8DF

Accessibility & contrast

On white

3.43

#1F99A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#1F99A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F99A0

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F99A0	#FFFFFF	#000000	##000000
##1F99A0	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D92A1

Deuteranopia (green-blind)

#7B85A1

Tritanopia (blue-blind)

#009F9B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f99a0;
/* rgb */ color: rgb(31, 153, 160);
/* oklch */ color: oklch(62.4% 0.100 201.0);

Tailwind

colors: {
  custom: {
    50: '#74b7bc',
    500: '#1f99a0',
    950: '#000000',
  },
}

SCSS

$custom: #1f99a0;
$custom-light: #74b7bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f99a0",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 160
  },
  "hsl": {
    "h": 183.256,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.62408,
    "c": 0.09972,
    "h": 201
  },
  "luminance": 0.25612
}

Semantic roles & 50–950 ramp

primary

#1F99A0

secondary

#C35E58

accent

#473DEA

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #1F99A0

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

Preview Lab → · Contrast checker → · Palette generator →