#1B759E#1B759E

#1B759E is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.1% C 0.102 H 234.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B759E
RGB	rgb(27, 117, 158)
HSL	hsl(199, 71%, 36%)
HSV	hsv(199, 83%, 62%)
CMYK	cmyk(82.9%, 25.9%, 0%, 38%)
CIE-LAB	lab(46.21, -10.64, -29.27)
CIE-LCH	lch(46.21, 31.14, 250.03°)
OKLab	oklab(53.14% -0.06 -0.0826)
OKLCH	oklch(53.14% 0.102 234)
XYZ	xyz(12.9823, 15.4226, 34.6337)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B759E #9E441B

analogous

#1B9E86 #1B759E #1B339E

triadic

#1B759E #9E1B75 #759E1B

tetradic

#1B759E #861B9E #9E441B #339E1B

square

#1B759E #861B9E #9E441B #339E1B

split-complementary

#1B759E #9E1B33 #9E861B

monochromatic

#092835 #124E6A #1B759E #249CD2 #52B5E1

Accessibility & contrast

On white

5.14

#1B759E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#1B759E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B759E

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B759E	#FFFFFF	#000000	##FFFFFF
##1B759E	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6174A0

Deuteranopia (green-blind)

#4F689D

Tritanopia (blue-blind)

#008083

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1b759e;
/* rgb */ color: rgb(27, 117, 158);
/* oklch */ color: oklch(53.1% 0.102 234.0);

Tailwind

colors: {
  custom: {
    50: '#6f9cbb',
    500: '#1b759e',
    950: '#000000',
  },
}

SCSS

$custom: #1b759e;
$custom-light: #6f9cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b759e",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 158
  },
  "hsl": {
    "h": 198.779,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.53142,
    "c": 0.10211,
    "h": 234
  },
  "luminance": 0.15424
}

Semantic roles & 50–950 ramp

primary

#1B759E

secondary

#C47551

accent

#723AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1B759E

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

Preview Lab → · Contrast checker → · Palette generator →