#1F9DB4#1F9DB4

#1F9DB4 is a light, moderate teal. Relative luminance 0.277; OKLCH L 64.2% C 0.106 H 213.8°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F9DB4
RGB	rgb(31, 157, 180)
HSL	hsl(189, 71%, 41%)
HSV	hsv(189, 83%, 71%)
CMYK	cmyk(82.8%, 12.8%, 0%, 29.4%)
CIE-LAB	lab(59.61, -24.34, -21.23)
CIE-LCH	lch(59.61, 32.30, 221.09°)
OKLab	oklab(64.22% -0.0884 -0.0593)
OKLCH	oklch(64.22% 0.106 213.8)
XYZ	xyz(20.8567, 27.6979, 47.4181)
Luminance	0.2770 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9DB4 #B4361F

analogous

#1FB481 #1F9DB4 #1F53B4

triadic

#1F9DB4 #B41F9D #9DB41F

tetradic

#1F9DB4 #811FB4 #B4361F #53B41F

square

#1F9DB4 #811FB4 #B4361F #53B41F

split-complementary

#1F9DB4 #B41F53 #B4811F

monochromatic

#0D424C #166F80 #1F9DB4 #34C2DC #68D2E5

Accessibility & contrast

On white

3.21

#1F9DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#1F9DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9DB4

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9DB4	#FFFFFF	#000000	##000000
##1F9DB4	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B5

Deuteranopia (green-blind)

#798AB4

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1f9db4;
/* rgb */ color: rgb(31, 157, 180);
/* oklch */ color: oklch(64.2% 0.106 213.8);

Tailwind

colors: {
  custom: {
    50: '#77baca',
    500: '#1f9db4',
    950: '#000000',
  },
}

SCSS

$custom: #1f9db4;
$custom-light: #77baca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9db4",
  "rgb": {
    "r": 31,
    "g": 157,
    "b": 180
  },
  "hsl": {
    "h": 189.262,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6422,
    "c": 0.10647,
    "h": 213.8
  },
  "luminance": 0.27701
}

Semantic roles & 50–950 ramp

primary

#1F9DB4

secondary

#CB7464

accent

#563AED

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1F9DB4

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

Preview Lab → · Contrast checker → · Palette generator →