#2554B3#2554B3

#2554B3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.1% C 0.160 H 262.3°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#2554B3
RGB	rgb(37, 84, 179)
HSL	hsl(220, 66%, 42%)
HSV	hsv(220, 79%, 70%)
CMYK	cmyk(79.3%, 53.1%, 0%, 29.8%)
CIE-LAB	lab(37.82, 19.32, -54.99)
CIE-LCH	lch(37.82, 58.29, 289.36°)
OKLab	oklab(47.06% -0.0214 -0.1585)
OKLCH	oklch(47.06% 0.16 262.3)
XYZ	xyz(12.0670, 9.9872, 43.9308)
Luminance	0.0999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2554B3 #B38425

analogous

#259BB3 #2554B3 #3D25B3

triadic

#2554B3 #B32554 #54B325

tetradic

#2554B3 #B3259B #B38425 #25B33D

square

#2554B3 #B3259B #B38425 #25B33D

split-complementary

#2554B3 #B33D25 #9BB325

monochromatic

#10244E #1B3C80 #2554B3 #3E71D7 #7196E2

Accessibility & contrast

On white

7.01

#2554B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#2554B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2554B3

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2554B3	#FFFFFF	#000000	##FFFFFF
##2554B3	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C60B6

Deuteranopia (green-blind)

#0053B1

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2554b3;
/* rgb */ color: rgb(37, 84, 179);
/* oklch */ color: oklch(47.1% 0.160 262.3);

Tailwind

colors: {
  custom: {
    50: '#7683ca',
    500: '#2554b3',
    950: '#000000',
  },
}

SCSS

$custom: #2554b3;
$custom-light: #7683ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2554b3",
  "rgb": {
    "r": 37,
    "g": 84,
    "b": 179
  },
  "hsl": {
    "h": 220.141,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.47062,
    "c": 0.15993,
    "h": 262.3
  },
  "luminance": 0.09989
}

Semantic roles & 50–950 ramp

primary

#2554B3

secondary

#C8AA6B

accent

#B13FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2554B3

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

Preview Lab → · Contrast checker → · Palette generator →