#1791FF#1791FF

#1791FF is a light, vivid cyan. Relative luminance 0.277; OKLCH L 65.3% C 0.190 H 252.4°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#1791FF
RGB	rgb(23, 145, 255)
HSL	hsl(208, 100%, 55%)
HSV	hsv(208, 91%, 100%)
CMYK	cmyk(91%, 43.1%, 0%, 0%)
CIE-LAB	lab(59.57, 9.01, -63.08)
CIE-LCH	lch(59.57, 63.72, 278.13°)
OKLab	oklab(65.33% -0.0574 -0.1811)
OKLCH	oklch(65.33% 0.19 252.4)
XYZ	xyz(28.5219, 27.6492, 98.4219)
Luminance	0.2765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1791FF #FF8517

analogous

#17FFF9 #1791FF #171DFF

triadic

#1791FF #FF1791 #91FF17

tetradic

#1791FF #F917FF #FF8517 #1DFF17

square

#1791FF #F917FF #FF8517 #1DFF17

split-complementary

#1791FF #FF171D #FFF917

monochromatic

#00529C #0072D9 #1791FF #54AEFF #91CBFF

Accessibility & contrast

On white

3.22

#1791FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#1791FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1791FF

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1791FF	#FFFFFF	#000000	##000000
##1791FF	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#579AFF

Deuteranopia (green-blind)

#2586FD

Tritanopia (blue-blind)

#00ACBB

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #1791ff;
/* rgb */ color: rgb(23, 145, 255);
/* oklch */ color: oklch(65.3% 0.190 252.4);

Tailwind

colors: {
  custom: {
    50: '#83b0ff',
    500: '#1791ff',
    950: '#000000',
  },
}

SCSS

$custom: #1791ff;
$custom-light: #83b0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#1791ff",
  "rgb": {
    "r": 23,
    "g": 145,
    "b": 255
  },
  "hsl": {
    "h": 208.448,
    "s": 100,
    "l": 54.51
  },
  "oklch": {
    "l": 0.65325,
    "c": 0.19002,
    "h": 252.4
  },
  "luminance": 0.27653
}

Semantic roles & 50–950 ramp

primary

#1791FF

secondary

#EAB688

accent

#8E29FF

background

#F9FAFF

surface

#F1F4FF

border

#CBCED7

text

#0D1018

muted

#7E7F86

Preview Lab

Preview with #1791FF

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

Preview Lab → · Contrast checker → · Palette generator →