#1B99AA#1B99AA

#1B99AA is a light, moderate teal. Relative luminance 0.259; OKLCH L 62.7% C 0.103 H 209.3°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B99AA
RGB	rgb(27, 153, 170)
HSL	hsl(187, 73%, 39%)
HSV	hsv(187, 84%, 67%)
CMYK	cmyk(84.1%, 10%, 0%, 33.3%)
CIE-LAB	lab(57.96, -25.93, -18.10)
CIE-LCH	lch(57.96, 31.63, 214.91°)
OKLab	oklab(62.74% -0.0899 -0.0504)
OKLCH	oklch(62.74% 0.103 209.3)
XYZ	xyz(19.0957, 25.9153, 42.0181)
Luminance	0.2592 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B99AA #AA2C1B

analogous

#1BAA73 #1B99AA #1B51AA

triadic

#1B99AA #AA1B99 #99AA1B

tetradic

#1B99AA #731BAA #AA2C1B #51AA1B

square

#1B99AA #731BAA #AA2C1B #51AA1B

split-complementary

#1B99AA #AA1B51 #AA731B

monochromatic

#0A3A40 #136975 #1B99AA #26C7DC #5BD4E5

Accessibility & contrast

On white

3.40

#1B99AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#1B99AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B99AA

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B99AA	#FFFFFF	#000000	##000000
##1B99AA	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)

#8A93AB

Deuteranopia (green-blind)

#7885AA

Tritanopia (blue-blind)

#00A19E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1b99aa;
/* rgb */ color: rgb(27, 153, 170);
/* oklch */ color: oklch(62.7% 0.103 209.3);

Tailwind

colors: {
  custom: {
    50: '#74b7c3',
    500: '#1b99aa',
    950: '#000000',
  },
}

SCSS

$custom: #1b99aa;
$custom-light: #74b7c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b99aa",
  "rgb": {
    "r": 27,
    "g": 153,
    "b": 170
  },
  "hsl": {
    "h": 187.133,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.62744,
    "c": 0.10308,
    "h": 209.3
  },
  "luminance": 0.25918
}

Semantic roles & 50–950 ramp

primary

#1B99AA

secondary

#C96658

accent

#4E39EF

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #1B99AA

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

Preview Lab → · Contrast checker → · Palette generator →