#1C99A9#1C99A9

#1C99A9 is a light, moderate teal. Relative luminance 0.259; OKLCH L 62.7% C 0.102 H 208.5°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C99A9
RGB	rgb(28, 153, 169)
HSL	hsl(187, 72%, 39%)
HSV	hsv(187, 83%, 66%)
CMYK	cmyk(83.4%, 9.5%, 0%, 33.7%)
CIE-LAB	lab(57.93, -26.18, -17.56)
CIE-LCH	lch(57.93, 31.53, 213.85°)
OKLab	oklab(62.72% -0.09 -0.0489)
OKLCH	oklch(62.72% 0.102 208.5)
XYZ	xyz(19.0284, 25.8915, 41.5231)
Luminance	0.2589 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C99A9 #A92C1C

analogous

#1CA972 #1C99A9 #1C52A9

triadic

#1C99A9 #A91C99 #99A91C

tetradic

#1C99A9 #721CA9 #A92C1C #52A91C

square

#1C99A9 #721CA9 #A92C1C #52A91C

split-complementary

#1C99A9 #A91C52 #A9721C

monochromatic

#0B3A40 #136974 #1C99A9 #27C7DB #5BD4E4

Accessibility & contrast

On white

3.40

#1C99A9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#1C99A9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C99A9

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C99A9	#FFFFFF	#000000	##000000
##1C99A9	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)

#8A93AA

Deuteranopia (green-blind)

#7885A9

Tritanopia (blue-blind)

#00A19E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1c99a9;
/* rgb */ color: rgb(28, 153, 169);
/* oklch */ color: oklch(62.7% 0.102 208.5);

Tailwind

colors: {
  custom: {
    50: '#74b7c2',
    500: '#1c99a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c99a9;
$custom-light: #74b7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c99a9",
  "rgb": {
    "r": 28,
    "g": 153,
    "b": 169
  },
  "hsl": {
    "h": 186.809,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.62718,
    "c": 0.10249,
    "h": 208.5
  },
  "luminance": 0.25894
}

Semantic roles & 50–950 ramp

primary

#1C99A9

secondary

#C86659

accent

#4E39EE

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #1C99A9

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

Preview Lab → · Contrast checker → · Palette generator →