#1B90A5#1B90A5

#1B90A5 is a mid, moderate teal. Relative luminance 0.229; OKLCH L 60.3% C 0.100 H 213.6°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B90A5
RGB	rgb(27, 144, 165)
HSL	hsl(189, 72%, 38%)
HSV	hsv(189, 84%, 65%)
CMYK	cmyk(83.6%, 12.7%, 0%, 35.3%)
CIE-LAB	lab(54.96, -22.99, -19.81)
CIE-LCH	lch(54.96, 30.34, 220.76°)
OKLab	oklab(60.27% -0.0833 -0.0553)
OKLCH	oklch(60.27% 0.1 213.6)
XYZ	xyz(17.2138, 22.8939, 39.1017)
Luminance	0.2290 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B90A5 #A5301B

analogous

#1BA575 #1B90A5 #1B4BA5

triadic

#1B90A5 #A51B90 #90A51B

tetradic

#1B90A5 #751BA5 #A5301B #4BA51B

square

#1B90A5 #751BA5 #A5301B #4BA51B

split-complementary

#1B90A5 #A51B4B #A5751B

monochromatic

#0A343C #126270 #1B90A5 #24BEDA #57CEE3

Accessibility & contrast

On white

3.76

#1B90A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#1B90A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B90A5

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B90A5	#FFFFFF	#000000	##000000
##1B90A5	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA6

Deuteranopia (green-blind)

#6F7EA5

Tritanopia (blue-blind)

#009896

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1b90a5;
/* rgb */ color: rgb(27, 144, 165);
/* oklch */ color: oklch(60.3% 0.100 213.6);

Tailwind

colors: {
  custom: {
    50: '#72b0bf',
    500: '#1b90a5',
    950: '#000000',
  },
}

SCSS

$custom: #1b90a5;
$custom-light: #72b0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b90a5",
  "rgb": {
    "r": 27,
    "g": 144,
    "b": 165
  },
  "hsl": {
    "h": 189.13,
    "s": 71.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.60265,
    "c": 0.1,
    "h": 213.6
  },
  "luminance": 0.22896
}

Semantic roles & 50–950 ramp

primary

#1B90A5

secondary

#C76655

accent

#5539EF

background

#F7FAFB

surface

#EEF5F7

border

#C9CFD0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B90A5

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

Preview Lab → · Contrast checker → · Palette generator →