#1756B4#1756B4

#1756B4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.162 H 259.1°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#1756B4
RGB	rgb(23, 86, 180)
HSL	hsl(216, 77%, 40%)
HSV	hsv(216, 87%, 71%)
CMYK	cmyk(87.2%, 52.2%, 0%, 29.4%)
CIE-LAB	lab(38.08, 17.16, -55.18)
CIE-LCH	lch(38.08, 57.79, 287.27°)
OKLab	oklab(47.18% -0.0305 -0.1592)
OKLCH	oklch(47.18% 0.162 259.1)
XYZ	xyz(11.9163, 10.1315, 44.4987)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1756B4 #B47517

analogous

#17A4B4 #1756B4 #2717B4

triadic

#1756B4 #B41756 #56B417

tetradic

#1756B4 #B417A4 #B47517 #17B427

square

#1756B4 #B417A4 #B47517 #17B427

split-complementary

#1756B4 #B42717 #A4B417

monochromatic

#092247 #103C7E #1756B4 #2571E3 #5B95EA

Accessibility & contrast

On white

6.94

#1756B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1756B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1756B4

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1756B4	#FFFFFF	#000000	##FFFFFF
##1756B4	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1161B7

Deuteranopia (green-blind)

#0053B2

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1756b4;
/* rgb */ color: rgb(23, 86, 180);
/* oklch */ color: oklch(47.2% 0.162 259.1);

Tailwind

colors: {
  custom: {
    50: '#7384cb',
    500: '#1756b4',
    950: '#000000',
  },
}

SCSS

$custom: #1756b4;
$custom-light: #7384cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1756b4",
  "rgb": {
    "r": 23,
    "g": 86,
    "b": 180
  },
  "hsl": {
    "h": 215.924,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47175,
    "c": 0.16208,
    "h": 259.1
  },
  "luminance": 0.10133
}

Semantic roles & 50–950 ramp

primary

#1756B4

secondary

#CE9F59

accent

#A734F4

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1756B4

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

Preview Lab → · Contrast checker → · Palette generator →