#1B7585#1B7585

#1B7585 is a mid, moderate teal. Relative luminance 0.146; OKLCH L 51.9% C 0.083 H 212.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B7585
RGB	rgb(27, 117, 133)
HSL	hsl(189, 66%, 31%)
HSV	hsv(189, 80%, 52%)
CMYK	cmyk(79.7%, 12%, 0%, 47.8%)
CIE-LAB	lab(45.15, -19.57, -16.10)
CIE-LCH	lch(45.15, 25.35, 219.45°)
OKLab	oklab(51.94% -0.0699 -0.0449)
OKLCH	oklch(51.94% 0.083 212.7)
XYZ	xyz(11.0451, 14.6477, 24.4309)
Luminance	0.1465 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7585 #852B1B

analogous

#1B8560 #1B7585 #1B4085

triadic

#1B7585 #851B75 #75851B

tetradic

#1B7585 #601B85 #852B1B #40851B

square

#1B7585 #601B85 #852B1B #40851B

split-complementary

#1B7585 #851B40 #85601B

monochromatic

#061B1F #114852 #1B7585 #25A2B8 #42C2D9

Accessibility & contrast

On white

5.34

#1B7585 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#1B7585 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7585

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7585	#FFFFFF	#000000	##FFFFFF
##1B7585	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697186

Deuteranopia (green-blind)

#5B6685

Tritanopia (blue-blind)

#007B7A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1b7585;
/* rgb */ color: rgb(27, 117, 133);
/* oklch */ color: oklch(51.9% 0.083 212.7);

Tailwind

colors: {
  custom: {
    50: '#6b9da8',
    500: '#1b7585',
    950: '#000000',
  },
}

SCSS

$custom: #1b7585;
$custom-light: #6b9da8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7585",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 133
  },
  "hsl": {
    "h": 189.057,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.51942,
    "c": 0.0831,
    "h": 212.7
  },
  "luminance": 0.14649
}

Semantic roles & 50–950 ramp

primary

#1B7585

secondary

#B85544

accent

#583FE9

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #1B7585

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

Preview Lab → · Contrast checker → · Palette generator →