#1B7488#1B7488

#1B7488 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 51.8% C 0.085 H 217.0°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B7488
RGB	rgb(27, 116, 136)
HSL	hsl(191, 67%, 32%)
HSV	hsv(191, 80%, 53%)
CMYK	cmyk(80.1%, 14.7%, 0%, 46.7%)
CIE-LAB	lab(44.94, -17.99, -18.21)
CIE-LCH	lch(44.94, 25.60, 225.34°)
OKLab	oklab(51.82% -0.0676 -0.0509)
OKLCH	oklch(51.82% 0.085 217)
XYZ	xyz(11.1394, 14.5000, 25.4995)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7488 #882F1B

analogous

#1B8866 #1B7488 #1B3E88

triadic

#1B7488 #881B74 #74881B

tetradic

#1B7488 #661B88 #882F1B #3E881B

square

#1B7488 #661B88 #882F1B #3E881B

split-complementary

#1B7488 #881B3E #88661B

monochromatic

#071D22 #114855 #1B7488 #25A0BB #44BEDA

Accessibility & contrast

On white

5.38

#1B7488 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#1B7488 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7488

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7488	#FFFFFF	#000000	##FFFFFF
##1B7488	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677089

Deuteranopia (green-blind)

#586688

Tritanopia (blue-blind)

#007B7A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b7488;
/* rgb */ color: rgb(27, 116, 136);
/* oklch */ color: oklch(51.8% 0.085 217.0);

Tailwind

colors: {
  custom: {
    50: '#6b9caa',
    500: '#1b7488',
    950: '#000000',
  },
}

SCSS

$custom: #1b7488;
$custom-light: #6b9caa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7488",
  "rgb": {
    "r": 27,
    "g": 116,
    "b": 136
  },
  "hsl": {
    "h": 191.009,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51815,
    "c": 0.08461,
    "h": 217
  },
  "luminance": 0.14501
}

Semantic roles & 50–950 ramp

primary

#1B7488

secondary

#BB5A44

accent

#5E3EEA

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1B7488

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

Preview Lab → · Contrast checker → · Palette generator →