#1B7288#1B7288

#1B7288 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.3% C 0.085 H 219.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B7288
RGB	rgb(27, 114, 136)
HSL	hsl(192, 67%, 32%)
HSV	hsv(192, 80%, 53%)
CMYK	cmyk(80.1%, 16.2%, 0%, 46.7%)
CIE-LAB	lab(44.30, -16.89, -19.20)
CIE-LCH	lch(44.30, 25.57, 228.66°)
OKLab	oklab(51.3% -0.0655 -0.0537)
OKLCH	oklch(51.3% 0.085 219.3)
XYZ	xyz(10.9114, 14.0439, 25.4234)
Luminance	0.1404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7288 #88311B

analogous

#1B8868 #1B7288 #1B3C88

triadic

#1B7288 #881B72 #72881B

tetradic

#1B7288 #681B88 #88311B #3C881B

square

#1B7288 #681B88 #88311B #3C881B

split-complementary

#1B7288 #881B3C #88681B

monochromatic

#071C22 #114755 #1B7288 #259DBB #44BBDA

Accessibility & contrast

On white

5.51

#1B7288 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#1B7288 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7288

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7288	#FFFFFF	#000000	##FFFFFF
##1B7288	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646F89

Deuteranopia (green-blind)

#566488

Tritanopia (blue-blind)

#007979

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1b7288;
/* rgb */ color: rgb(27, 114, 136);
/* oklch */ color: oklch(51.3% 0.085 219.3);

Tailwind

colors: {
  custom: {
    50: '#6b9aaa',
    500: '#1b7288',
    950: '#000000',
  },
}

SCSS

$custom: #1b7288;
$custom-light: #6b9aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7288",
  "rgb": {
    "r": 27,
    "g": 114,
    "b": 136
  },
  "hsl": {
    "h": 192.11,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51295,
    "c": 0.08474,
    "h": 219.3
  },
  "luminance": 0.14045
}

Semantic roles & 50–950 ramp

primary

#1B7288

secondary

#BB5C44

accent

#613EEA

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1B7288

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

Preview Lab → · Contrast checker → · Palette generator →