#1651B3#1651B3

#1651B3 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.167 H 260.4°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#1651B3
RGB	rgb(22, 81, 179)
HSL	hsl(217, 78%, 39%)
HSV	hsv(217, 88%, 70%)
CMYK	cmyk(87.7%, 54.7%, 0%, 29.8%)
CIE-LAB	lab(36.57, 20.03, -57.04)
CIE-LCH	lch(36.57, 60.45, 289.35°)
OKLab	oklab(46% -0.0279 -0.1647)
OKLCH	oklch(46% 0.167 260.4)
XYZ	xyz(11.4070, 9.3086, 43.8346)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1651B3 #B37816

analogous

#16A0B3 #1651B3 #2916B3

triadic

#1651B3 #B31651 #51B316

tetradic

#1651B3 #B316A0 #B37816 #16B329

square

#1651B3 #B316A0 #B37816 #16B329

split-complementary

#1651B3 #B32916 #A0B316

monochromatic

#092046 #0F387C #1651B3 #226BE4 #5990EB

Accessibility & contrast

On white

7.34

#1651B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1651B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1651B3

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1651B3	#FFFFFF	#000000	##FFFFFF
##1651B3	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1651b3;
/* rgb */ color: rgb(22, 81, 179);
/* oklch */ color: oklch(46.0% 0.167 260.4);

Tailwind

colors: {
  custom: {
    50: '#7381ca',
    500: '#1651b3',
    950: '#000000',
  },
}

SCSS

$custom: #1651b3;
$custom-light: #7381ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1651b3",
  "rgb": {
    "r": 22,
    "g": 81,
    "b": 179
  },
  "hsl": {
    "h": 217.452,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45998,
    "c": 0.16709,
    "h": 260.4
  },
  "luminance": 0.0931
}

Semantic roles & 50–950 ramp

primary

#1651B3

secondary

#CEA157

accent

#AC33F5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1651B3

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

Preview Lab → · Contrast checker → · Palette generator →