#1756B3#1756B3

#1756B3 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.1% C 0.161 H 259.0°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#1756B3
RGB	rgb(23, 86, 179)
HSL	hsl(216, 77%, 40%)
HSV	hsv(216, 87%, 70%)
CMYK	cmyk(87.2%, 52%, 0%, 29.8%)
CIE-LAB	lab(38.01, 16.76, -54.71)
CIE-LCH	lch(38.01, 57.22, 287.03°)
OKLab	oklab(47.1% -0.0307 -0.1578)
OKLCH	oklch(47.1% 0.161 259)
XYZ	xyz(11.8148, 10.0909, 43.9641)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1756B3 #B37417

analogous

#17A4B3 #1756B3 #2617B3

triadic

#1756B3 #B31756 #56B317

tetradic

#1756B3 #B317A4 #B37417 #17B326

square

#1756B3 #B317A4 #B37417 #17B326

split-complementary

#1756B3 #B32617 #A4B317

monochromatic

#092247 #103C7D #1756B3 #2471E3 #5B94EA

Accessibility & contrast

On white

6.96

#1756B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1756B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1756B3

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1756B3	#FFFFFF	#000000	##FFFFFF
##1756B3	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1461B6

Deuteranopia (green-blind)

#0053B1

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1756b3;
/* rgb */ color: rgb(23, 86, 179);
/* oklch */ color: oklch(47.1% 0.161 259.0);

Tailwind

colors: {
  custom: {
    50: '#7384ca',
    500: '#1756b3',
    950: '#000000',
  },
}

SCSS

$custom: #1756b3;
$custom-light: #7384ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1756b3",
  "rgb": {
    "r": 23,
    "g": 86,
    "b": 179
  },
  "hsl": {
    "h": 215.769,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47096,
    "c": 0.16074,
    "h": 259
  },
  "luminance": 0.10092
}

Semantic roles & 50–950 ramp

primary

#1756B3

secondary

#CD9E58

accent

#A634F4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1756B3

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

Preview Lab → · Contrast checker → · Palette generator →