#1753B4#1753B4

#1753B4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.5% C 0.166 H 260.1°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#1753B4
RGB	rgb(23, 83, 180)
HSL	hsl(217, 77%, 40%)
HSV	hsv(217, 87%, 71%)
CMYK	cmyk(87.2%, 53.9%, 0%, 29.4%)
CIE-LAB	lab(37.23, 19.16, -56.56)
CIE-LCH	lch(37.23, 59.71, 288.71°)
OKLab	oklab(46.53% -0.0286 -0.1633)
OKLCH	oklch(46.53% 0.166 260.1)
XYZ	xyz(11.6818, 9.6625, 44.4205)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1753B4 #B47817

analogous

#17A2B4 #1753B4 #2917B4

triadic

#1753B4 #B41753 #53B417

tetradic

#1753B4 #B417A2 #B47817 #17B429

square

#1753B4 #B417A2 #B47817 #17B429

split-complementary

#1753B4 #B42917 #A2B417

monochromatic

#092147 #103A7E #1753B4 #256EE3 #5B92EA

Accessibility & contrast

On white

7.16

#1753B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1753B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1753B4

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1753B4	#FFFFFF	#000000	##FFFFFF
##1753B4	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB7

Deuteranopia (green-blind)

#0051B2

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1753b4;
/* rgb */ color: rgb(23, 83, 180);
/* oklch */ color: oklch(46.5% 0.166 260.1);

Tailwind

colors: {
  custom: {
    50: '#7382cb',
    500: '#1753b4',
    950: '#000000',
  },
}

SCSS

$custom: #1753b4;
$custom-light: #7382cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1753b4",
  "rgb": {
    "r": 23,
    "g": 83,
    "b": 180
  },
  "hsl": {
    "h": 217.07,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46528,
    "c": 0.16577,
    "h": 260.1
  },
  "luminance": 0.09664
}

Semantic roles & 50–950 ramp

primary

#1753B4

secondary

#CEA159

accent

#AB34F4

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1753B4

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

Preview Lab → · Contrast checker → · Palette generator →