#1A99B4#1A99B4

#1A99B4 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.2% C 0.108 H 217.1°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#1A99B4
RGB	rgb(26, 153, 180)
HSL	hsl(191, 75%, 40%)
HSV	hsv(191, 86%, 71%)
CMYK	cmyk(85.6%, 15%, 0%, 29.4%)
CIE-LAB	lab(58.32, -22.67, -23.22)
CIE-LCH	lch(58.32, 32.46, 225.68°)
OKLab	oklab(63.15% -0.086 -0.065)
OKLCH	oklch(63.15% 0.108 217.1)
XYZ	xyz(20.0519, 26.2948, 47.1897)
Luminance	0.2630 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A99B4 #B4351A

analogous

#1AB482 #1A99B4 #1A4CB4

triadic

#1A99B4 #B41A99 #99B41A

tetradic

#1A99B4 #821AB4 #B4351A #4CB41A

square

#1A99B4 #821AB4 #B4351A #4CB41A

split-complementary

#1A99B4 #B41A4C #B4821A

monochromatic

#0B3E49 #126C7F #1A99B4 #2BC1E0 #60D0E8

Accessibility & contrast

On white

3.35

#1A99B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#1A99B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1A99B4

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A99B4	#FFFFFF	#000000	##000000
##1A99B4	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8794B5

Deuteranopia (green-blind)

#7486B4

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #1a99b4;
/* rgb */ color: rgb(26, 153, 180);
/* oklch */ color: oklch(63.2% 0.108 217.1);

Tailwind

colors: {
  custom: {
    50: '#75b7ca',
    500: '#1a99b4',
    950: '#000000',
  },
}

SCSS

$custom: #1a99b4;
$custom-light: #75b7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a99b4",
  "rgb": {
    "r": 26,
    "g": 153,
    "b": 180
  },
  "hsl": {
    "h": 190.519,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.63153,
    "c": 0.1078,
    "h": 217.1
  },
  "luminance": 0.26297
}

Semantic roles & 50–950 ramp

primary

#1A99B4

secondary

#CC715D

accent

#5736F1

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1A99B4

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

Preview Lab → · Contrast checker → · Palette generator →