#1B88AA#1B88AA

#1B88AA is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.5% C 0.104 H 225.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#1B88AA
RGB	rgb(27, 136, 170)
HSL	hsl(194, 73%, 39%)
HSV	hsv(194, 84%, 67%)
CMYK	cmyk(84.1%, 20%, 0%, 33.3%)
CIE-LAB	lab(52.67, -17.00, -26.22)
CIE-LCH	lch(52.67, 31.25, 237.04°)
OKLab	oklab(58.48% -0.0736 -0.0736)
OKLCH	oklch(58.48% 0.104 225)
XYZ	xyz(16.5088, 20.7415, 41.1558)
Luminance	0.2074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B88AA #AA3D1B

analogous

#1BAA84 #1B88AA #1B40AA

triadic

#1B88AA #AA1B88 #88AA1B

tetradic

#1B88AA #841BAA #AA3D1B #40AA1B

square

#1B88AA #841BAA #AA3D1B #40AA1B

split-complementary

#1B88AA #AA1B40 #AA841B

monochromatic

#0A3340 #135E75 #1B88AA #26B1DC #5BC4E5

Accessibility & contrast

On white

4.08

#1B88AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#1B88AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B88AA

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B88AA	#FFFFFF	#000000	##000000
##1B88AA	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7585AC

Deuteranopia (green-blind)

#6378AA

Tritanopia (blue-blind)

#009293

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1b88aa;
/* rgb */ color: rgb(27, 136, 170);
/* oklch */ color: oklch(58.5% 0.104 225.0);

Tailwind

colors: {
  custom: {
    50: '#72aac3',
    500: '#1b88aa',
    950: '#000000',
  },
}

SCSS

$custom: #1b88aa;
$custom-light: #72aac3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b88aa",
  "rgb": {
    "r": 27,
    "g": 136,
    "b": 170
  },
  "hsl": {
    "h": 194.266,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.58481,
    "c": 0.10412,
    "h": 225
  },
  "luminance": 0.20744
}

Semantic roles & 50–950 ramp

primary

#1B88AA

secondary

#C97358

accent

#6439EF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B88AA

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

Preview Lab → · Contrast checker → · Palette generator →