#1B88A8#1B88A8

#1B88A8 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.4% C 0.103 H 223.6°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#1B88A8
RGB	rgb(27, 136, 168)
HSL	hsl(194, 72%, 38%)
HSV	hsv(194, 84%, 66%)
CMYK	cmyk(83.9%, 19%, 0%, 34.1%)
CIE-LAB	lab(52.58, -17.70, -25.19)
CIE-LCH	lch(52.58, 30.79, 234.91°)
OKLab	oklab(58.39% -0.0744 -0.0707)
OKLCH	oklch(58.39% 0.103 223.6)
XYZ	xyz(16.3211, 20.6664, 40.1670)
Luminance	0.2067 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B88A8 #A83B1B

analogous

#1BA881 #1B88A8 #1B41A8

triadic

#1B88A8 #A81B88 #88A81B

tetradic

#1B88A8 #811BA8 #A83B1B #41A81B

square

#1B88A8 #811BA8 #A83B1B #41A81B

split-complementary

#1B88A8 #A81B41 #A8811B

monochromatic

#0A333F #135D73 #1B88A8 #24B2DC #59C5E4

Accessibility & contrast

On white

4.09

#1B88A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#1B88A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B88A8

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B88A8	#FFFFFF	#000000	##000000
##1B88A8	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7685AA

Deuteranopia (green-blind)

#6478A8

Tritanopia (blue-blind)

#009292

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1b88a8;
/* rgb */ color: rgb(27, 136, 168);
/* oklch */ color: oklch(58.4% 0.103 223.6);

Tailwind

colors: {
  custom: {
    50: '#72aac2',
    500: '#1b88a8',
    950: '#000000',
  },
}

SCSS

$custom: #1b88a8;
$custom-light: #72aac2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b88a8",
  "rgb": {
    "r": 27,
    "g": 136,
    "b": 168
  },
  "hsl": {
    "h": 193.617,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.58387,
    "c": 0.10263,
    "h": 223.6
  },
  "luminance": 0.20668
}

Semantic roles & 50–950 ramp

primary

#1B88A8

secondary

#C87157

accent

#6239EF

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B88A8

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

Preview Lab → · Contrast checker → · Palette generator →