#1F9EB4#1F9EB4

#1F9EB4 is a light, moderate teal. Relative luminance 0.280; OKLCH L 64.5% C 0.107 H 212.9°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F9EB4
RGB	rgb(31, 158, 180)
HSL	hsl(189, 71%, 41%)
HSV	hsv(189, 83%, 71%)
CMYK	cmyk(82.8%, 12.2%, 0%, 29.4%)
CIE-LAB	lab(59.92, -24.85, -20.76)
CIE-LCH	lch(59.92, 32.38, 219.87°)
OKLab	oklab(64.47% -0.0894 -0.0579)
OKLCH	oklch(64.47% 0.107 212.9)
XYZ	xyz(21.0266, 28.0376, 47.4748)
Luminance	0.2804 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9EB4 #B4351F

analogous

#1FB480 #1F9EB4 #1F54B4

triadic

#1F9EB4 #B41F9E #9EB41F

tetradic

#1F9EB4 #801FB4 #B4351F #54B41F

square

#1F9EB4 #801FB4 #B4351F #54B41F

split-complementary

#1F9EB4 #B41F54 #B4801F

monochromatic

#0D424C #167080 #1F9EB4 #34C3DC #68D3E5

Accessibility & contrast

On white

3.18

#1F9EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#1F9EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9EB4

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9EB4	#FFFFFF	#000000	##000000
##1F9EB4	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B5

Deuteranopia (green-blind)

#7A8AB4

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1f9eb4;
/* rgb */ color: rgb(31, 158, 180);
/* oklch */ color: oklch(64.5% 0.107 212.9);

Tailwind

colors: {
  custom: {
    50: '#77bbca',
    500: '#1f9eb4',
    950: '#000000',
  },
}

SCSS

$custom: #1f9eb4;
$custom-light: #77bbca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9eb4",
  "rgb": {
    "r": 31,
    "g": 158,
    "b": 180
  },
  "hsl": {
    "h": 188.859,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.64469,
    "c": 0.10653,
    "h": 212.9
  },
  "luminance": 0.2804
}

Semantic roles & 50–950 ramp

primary

#1F9EB4

secondary

#CB7364

accent

#553AED

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #1F9EB4

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

Preview Lab → · Contrast checker → · Palette generator →