#1B90AE#1B90AE

#1B90AE is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.7% C 0.105 H 220.7°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B90AE
RGB	rgb(27, 144, 174)
HSL	hsl(192, 73%, 39%)
HSV	hsv(192, 84%, 68%)
CMYK	cmyk(84.5%, 17.2%, 0%, 31.8%)
CIE-LAB	lab(55.31, -19.92, -24.43)
CIE-LCH	lch(55.31, 31.52, 230.81°)
OKLab	oklab(60.66% -0.0796 -0.0685)
OKLCH	oklch(60.66% 0.105 220.7)
XYZ	xyz(18.0620, 23.2332, 43.5687)
Luminance	0.2324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B90AE #AE391B

analogous

#1BAE83 #1B90AE #1B47AE

triadic

#1B90AE #AE1B90 #90AE1B

tetradic

#1B90AE #831BAE #AE391B #47AE1B

square

#1B90AE #831BAE #AE391B #47AE1B

split-complementary

#1B90AE #AE1B47 #AE831B

monochromatic

#0B3844 #136479 #1B90AE #28B9DE #5DCAE6

Accessibility & contrast

On white

3.72

#1B90AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#1B90AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B90AE

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B90AE	#FFFFFF	#000000	##000000
##1B90AE	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8CB0

Deuteranopia (green-blind)

#6B7FAE

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1b90ae;
/* rgb */ color: rgb(27, 144, 174);
/* oklch */ color: oklch(60.7% 0.105 220.7);

Tailwind

colors: {
  custom: {
    50: '#74b0c6',
    500: '#1b90ae',
    950: '#000000',
  },
}

SCSS

$custom: #1b90ae;
$custom-light: #74b0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b90ae",
  "rgb": {
    "r": 27,
    "g": 144,
    "b": 174
  },
  "hsl": {
    "h": 192.245,
    "s": 73.134,
    "l": 39.412
  },
  "oklch": {
    "l": 0.60661,
    "c": 0.10502,
    "h": 220.7
  },
  "luminance": 0.23236
}

Semantic roles & 50–950 ramp

primary

#1B90AE

secondary

#CA715B

accent

#5E38F0

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1B90AE

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

Preview Lab → · Contrast checker → · Palette generator →