#1E99BB#1E99BB

#1E99BB is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.5% C 0.111 H 222.3°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#1E99BB
RGB	rgb(30, 153, 187)
HSL	hsl(193, 72%, 43%)
HSV	hsv(193, 84%, 73%)
CMYK	cmyk(84%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(58.64, -19.98, -26.67)
CIE-LCH	lch(58.64, 33.33, 233.16°)
OKLab	oklab(63.52% -0.0822 -0.0748)
OKLCH	oklch(63.52% 0.111 222.3)
XYZ	xyz(20.8925, 26.6437, 51.0457)
Luminance	0.2665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E99BB #BB401E

analogous

#1EBB8F #1E99BB #1E4ABB

triadic

#1E99BB #BB1E99 #99BB1E

tetradic

#1E99BB #8F1EBB #BB401E #4ABB1E

square

#1E99BB #8F1EBB #BB401E #4ABB1E

split-complementary

#1E99BB #BB1E4A #BB8F1E

monochromatic

#0D4352 #166E86 #1E99BB #37BBDF #6CCDE7

Accessibility & contrast

On white

3.32

#1E99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#1E99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E99BB

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E99BB	#FFFFFF	#000000	##000000
##1E99BB	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8595BD

Deuteranopia (green-blind)

#7187BB

Tritanopia (blue-blind)

#00A4A4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #1e99bb;
/* rgb */ color: rgb(30, 153, 187);
/* oklch */ color: oklch(63.5% 0.111 222.3);

Tailwind

colors: {
  custom: {
    50: '#77b7cf',
    500: '#1e99bb',
    950: '#000000',
  },
}

SCSS

$custom: #1e99bb;
$custom-light: #77b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#1e99bb",
  "rgb": {
    "r": 30,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 192.994,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.63523,
    "c": 0.11113,
    "h": 222.3
  },
  "luminance": 0.26646
}

Semantic roles & 50–950 ramp

primary

#1E99BB

secondary

#CD7E67

accent

#6039EF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1E99BB

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

Preview Lab → · Contrast checker → · Palette generator →