#1F99A8#1F99A8

#1F99A8 is a light, moderate teal. Relative luminance 0.259; OKLCH L 62.7% C 0.101 H 207.8°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F99A8
RGB	rgb(31, 153, 168)
HSL	hsl(187, 69%, 39%)
HSV	hsv(187, 82%, 66%)
CMYK	cmyk(81.5%, 8.9%, 0%, 34.1%)
CIE-LAB	lab(57.94, -26.25, -16.98)
CIE-LCH	lch(57.94, 31.26, 212.90°)
OKLab	oklab(62.72% -0.0896 -0.0473)
OKLCH	oklch(62.72% 0.101 207.8)
XYZ	xyz(19.0211, 25.8985, 41.0346)
Luminance	0.2590 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F99A8 #A82E1F

analogous

#1FA873 #1F99A8 #1F55A8

triadic

#1F99A8 #A81F99 #99A81F

tetradic

#1F99A8 #731FA8 #A82E1F #55A81F

square

#1F99A8 #731FA8 #A82E1F #55A81F

split-complementary

#1F99A8 #A81F55 #A8731F

monochromatic

#0C3B41 #156A74 #1F99A8 #2CC5D8 #60D3E2

Accessibility & contrast

On white

3.40

#1F99A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#1F99A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F99A8

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F99A8	#FFFFFF	#000000	##000000
##1F99A8	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B93A9

Deuteranopia (green-blind)

#7986A8

Tritanopia (blue-blind)

#00A09D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1f99a8;
/* rgb */ color: rgb(31, 153, 168);
/* oklch */ color: oklch(62.7% 0.101 207.8);

Tailwind

colors: {
  custom: {
    50: '#75b7c1',
    500: '#1f99a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f99a8;
$custom-light: #75b7c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f99a8",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 168
  },
  "hsl": {
    "h": 186.569,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.62723,
    "c": 0.10132,
    "h": 207.8
  },
  "luminance": 0.25901
}

Semantic roles & 50–950 ramp

primary

#1F99A8

secondary

#C6685D

accent

#4F3CEC

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #1F99A8

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

Preview Lab → · Contrast checker → · Palette generator →