#1552B4#1552B4

#1552B4 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.3% C 0.167 H 260.1°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#1552B4
RGB	rgb(21, 82, 180)
HSL	hsl(217, 79%, 39%)
HSV	hsv(217, 88%, 71%)
CMYK	cmyk(88.3%, 54.4%, 0%, 29.4%)
CIE-LAB	lab(36.91, 19.69, -57.08)
CIE-LCH	lch(36.91, 60.39, 289.03°)
OKLab	oklab(46.27% -0.0289 -0.1649)
OKLCH	oklch(46.27% 0.167 260.1)
XYZ	xyz(11.5618, 9.4878, 44.3931)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1552B4 #B47715

analogous

#15A2B4 #1552B4 #2815B4

triadic

#1552B4 #B41552 #52B415

tetradic

#1552B4 #B415A2 #B47715 #15B428

square

#1552B4 #B415A2 #B47715 #15B428

split-complementary

#1552B4 #B42815 #A2B415

monochromatic

#082046 #0F397D #1552B4 #216CE5 #5891EC

Accessibility & contrast

On white

7.25

#1552B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#1552B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1552B4

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1552B4	#FFFFFF	#000000	##FFFFFF
##1552B4	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB7

Deuteranopia (green-blind)

#0050B2

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1552b4;
/* rgb */ color: rgb(21, 82, 180);
/* oklch */ color: oklch(46.3% 0.167 260.1);

Tailwind

colors: {
  custom: {
    50: '#7381cb',
    500: '#1552b4',
    950: '#000000',
  },
}

SCSS

$custom: #1552b4;
$custom-light: #7381cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1552b4",
  "rgb": {
    "r": 21,
    "g": 82,
    "b": 180
  },
  "hsl": {
    "h": 216.981,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4627,
    "c": 0.16738,
    "h": 260.1
  },
  "luminance": 0.09489
}

Semantic roles & 50–950 ramp

primary

#1552B4

secondary

#CFA056

accent

#AB32F6

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1552B4

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

Preview Lab → · Contrast checker → · Palette generator →