#2554B0#2554B0

#2554B0 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.8% C 0.156 H 262.0°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#2554B0
RGB	rgb(37, 84, 176)
HSL	hsl(220, 65%, 42%)
HSV	hsv(220, 79%, 69%)
CMYK	cmyk(79%, 52.3%, 0%, 31%)
CIE-LAB	lab(37.60, 18.15, -53.57)
CIE-LCH	lch(37.60, 56.56, 288.72°)
OKLab	oklab(46.83% -0.0217 -0.1543)
OKLCH	oklch(46.83% 0.156 262)
XYZ	xyz(11.7669, 9.8672, 42.3503)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2554B0 #B08125

analogous

#259AB0 #2554B0 #3C25B0

triadic

#2554B0 #B02554 #54B025

tetradic

#2554B0 #B0259A #B08125 #25B03C

square

#2554B0 #B0259A #B08125 #25B03C

split-complementary

#2554B0 #B03C25 #9AB025

monochromatic

#10244B #1A3C7D #2554B0 #3C70D6 #6F95E1

Accessibility & contrast

On white

7.06

#2554B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2554B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2554B0

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2554B0	#FFFFFF	#000000	##FFFFFF
##2554B0	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145FB3

Deuteranopia (green-blind)

#0052AE

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2554b0;
/* rgb */ color: rgb(37, 84, 176);
/* oklch */ color: oklch(46.8% 0.156 262.0);

Tailwind

colors: {
  custom: {
    50: '#7583c8',
    500: '#2554b0',
    950: '#000000',
  },
}

SCSS

$custom: #2554b0;
$custom-light: #7583c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2554b0",
  "rgb": {
    "r": 37,
    "g": 84,
    "b": 176
  },
  "hsl": {
    "h": 219.712,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46829,
    "c": 0.15584,
    "h": 262
  },
  "luminance": 0.09869
}

Semantic roles & 50–950 ramp

primary

#2554B0

secondary

#C7A86A

accent

#AF40E8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2554B0

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

Preview Lab → · Contrast checker → · Palette generator →