#2554B1#2554B1

#2554B1 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.157 H 262.1°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#2554B1
RGB	rgb(37, 84, 177)
HSL	hsl(220, 65%, 42%)
HSV	hsv(220, 79%, 69%)
CMYK	cmyk(79.1%, 52.5%, 0%, 30.6%)
CIE-LAB	lab(37.67, 18.54, -54.05)
CIE-LCH	lch(37.67, 57.14, 288.93°)
OKLab	oklab(46.91% -0.0216 -0.1557)
OKLCH	oklch(46.91% 0.157 262.1)
XYZ	xyz(11.8662, 9.9069, 42.8733)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2554B1 #B18225

analogous

#259AB1 #2554B1 #3C25B1

triadic

#2554B1 #B12554 #54B125

tetradic

#2554B1 #B1259A #B18225 #25B13C

square

#2554B1 #B1259A #B18225 #25B13C

split-complementary

#2554B1 #B13C25 #9AB125

monochromatic

#10244C #1A3C7E #2554B1 #3D70D6 #6F96E1

Accessibility & contrast

On white

7.04

#2554B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2554B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2554B1

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2554B1	#FFFFFF	#000000	##FFFFFF
##2554B1	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125FB4

Deuteranopia (green-blind)

#0053AF

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2554b1;
/* rgb */ color: rgb(37, 84, 177);
/* oklch */ color: oklch(46.9% 0.157 262.1);

Tailwind

colors: {
  custom: {
    50: '#7683c9',
    500: '#2554b1',
    950: '#000000',
  },
}

SCSS

$custom: #2554b1;
$custom-light: #7683c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2554b1",
  "rgb": {
    "r": 37,
    "g": 84,
    "b": 177
  },
  "hsl": {
    "h": 219.857,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46906,
    "c": 0.1572,
    "h": 262.1
  },
  "luminance": 0.09908
}

Semantic roles & 50–950 ramp

primary

#2554B1

secondary

#C8A86A

accent

#B03FE8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2554B1

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

Preview Lab → · Contrast checker → · Palette generator →