#1A99B3#1A99B3

#1A99B3 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.1% C 0.107 H 216.3°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#1A99B3
RGB	rgb(26, 153, 179)
HSL	hsl(190, 75%, 40%)
HSV	hsv(190, 85%, 70%)
CMYK	cmyk(85.5%, 14.5%, 0%, 29.8%)
CIE-LAB	lab(58.28, -23.01, -22.72)
CIE-LCH	lch(58.28, 32.34, 224.63°)
OKLab	oklab(63.11% -0.0864 -0.0635)
OKLCH	oklch(63.11% 0.107 216.3)
XYZ	xyz(19.9504, 26.2542, 46.6552)
Luminance	0.2626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A99B3 #B3341A

analogous

#1AB380 #1A99B3 #1A4DB3

triadic

#1A99B3 #B31A99 #99B31A

tetradic

#1A99B3 #801AB3 #B3341A #4DB31A

square

#1A99B3 #801AB3 #B3341A #4DB31A

split-complementary

#1A99B3 #B31A4D #B3801A

monochromatic

#0A3E48 #126B7E #1A99B3 #2AC1E0 #60D1E8

Accessibility & contrast

On white

3.36

#1A99B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#1A99B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1A99B3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A99B3	#FFFFFF	#000000	##000000
##1A99B3	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8894B4

Deuteranopia (green-blind)

#7486B3

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #1a99b3;
/* rgb */ color: rgb(26, 153, 179);
/* oklch */ color: oklch(63.1% 0.107 216.3);

Tailwind

colors: {
  custom: {
    50: '#75b7c9',
    500: '#1a99b3',
    950: '#000000',
  },
}

SCSS

$custom: #1a99b3;
$custom-light: #75b7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a99b3",
  "rgb": {
    "r": 26,
    "g": 153,
    "b": 179
  },
  "hsl": {
    "h": 190.196,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.6311,
    "c": 0.10726,
    "h": 216.3
  },
  "luminance": 0.26257
}

Semantic roles & 50–950 ramp

primary

#1A99B3

secondary

#CC705D

accent

#5637F1

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1A99B3

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

Preview Lab → · Contrast checker → · Palette generator →