#1F99A5#1F99A5

#1F99A5 is a light, moderate teal. Relative luminance 0.258; OKLCH L 62.6% C 0.101 H 205.3°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F99A5
RGB	rgb(31, 153, 165)
HSL	hsl(185, 68%, 38%)
HSV	hsv(185, 81%, 65%)
CMYK	cmyk(81.2%, 7.3%, 0%, 35.3%)
CIE-LAB	lab(57.84, -27.22, -15.43)
CIE-LCH	lch(57.84, 31.29, 209.56°)
OKLab	oklab(62.6% -0.0909 -0.0429)
OKLCH	oklch(62.6% 0.101 205.3)
XYZ	xyz(18.7448, 25.7880, 39.5797)
Luminance	0.2579 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F99A5 #A52B1F

analogous

#1FA56E #1F99A5 #1F56A5

triadic

#1F99A5 #A51F99 #99A51F

tetradic

#1F99A5 #6E1FA5 #A52B1F #56A51F

square

#1F99A5 #6E1FA5 #A52B1F #56A51F

split-complementary

#1F99A5 #A51F56 #A56E1F

monochromatic

#0C393E #156971 #1F99A5 #2AC8D7 #5ED5E1

Accessibility & contrast

On white

3.41

#1F99A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#1F99A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F99A5

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F99A5	#FFFFFF	#000000	##000000
##1F99A5	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C92A6

Deuteranopia (green-blind)

#7A85A5

Tritanopia (blue-blind)

#00A09C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1f99a5;
/* rgb */ color: rgb(31, 153, 165);
/* oklch */ color: oklch(62.6% 0.101 205.3);

Tailwind

colors: {
  custom: {
    50: '#74b7bf',
    500: '#1f99a5',
    950: '#000000',
  },
}

SCSS

$custom: #1f99a5;
$custom-light: #74b7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#1f99a5",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 165
  },
  "hsl": {
    "h": 185.373,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.62603,
    "c": 0.10055,
    "h": 205.3
  },
  "luminance": 0.2579
}

Semantic roles & 50–950 ramp

primary

#1F99A5

secondary

#C5645B

accent

#4C3DEB

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #1F99A5

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

Preview Lab → · Contrast checker → · Palette generator →