#1552B3#1552B3

#1552B3 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.166 H 259.9°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#1552B3
RGB	rgb(21, 82, 179)
HSL	hsl(217, 79%, 39%)
HSV	hsv(217, 88%, 70%)
CMYK	cmyk(88.3%, 54.2%, 0%, 29.8%)
CIE-LAB	lab(36.83, 19.29, -56.62)
CIE-LCH	lch(36.83, 59.81, 288.82°)
OKLab	oklab(46.19% -0.029 -0.1635)
OKLCH	oklch(46.19% 0.166 259.9)
XYZ	xyz(11.4603, 9.4472, 43.8586)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1552B3 #B37615

analogous

#15A1B3 #1552B3 #2715B3

triadic

#1552B3 #B31552 #52B315

tetradic

#1552B3 #B315A1 #B37615 #15B327

square

#1552B3 #B315A1 #B37615 #15B327

split-complementary

#1552B3 #B32715 #A1B315

monochromatic

#082045 #0F397C #1552B3 #206CE5 #5790EB

Accessibility & contrast

On white

7.27

#1552B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1552B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1552B3

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1552B3	#FFFFFF	#000000	##FFFFFF
##1552B3	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1552b3;
/* rgb */ color: rgb(21, 82, 179);
/* oklch */ color: oklch(46.2% 0.166 259.9);

Tailwind

colors: {
  custom: {
    50: '#7281ca',
    500: '#1552b3',
    950: '#000000',
  },
}

SCSS

$custom: #1552b3;
$custom-light: #7281ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1552b3",
  "rgb": {
    "r": 21,
    "g": 82,
    "b": 179
  },
  "hsl": {
    "h": 216.835,
    "s": 79,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46189,
    "c": 0.16604,
    "h": 259.9
  },
  "luminance": 0.09449
}

Semantic roles & 50–950 ramp

primary

#1552B3

secondary

#CEA056

accent

#AA32F5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1552B3

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

Preview Lab → · Contrast checker → · Palette generator →