#2554A4#2554A4

#2554A4 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.9% C 0.139 H 260.3°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#2554A4
RGB	rgb(37, 84, 164)
HSL	hsl(218, 63%, 39%)
HSV	hsv(218, 77%, 64%)
CMYK	cmyk(77.4%, 48.8%, 0%, 35.7%)
CIE-LAB	lab(36.77, 13.46, -47.79)
CIE-LCH	lch(36.77, 49.65, 285.73°)
OKLab	oklab(45.92% -0.0234 -0.1373)
OKLCH	oklch(45.92% 0.139 260.3)
XYZ	xyz(10.6317, 9.4131, 36.3713)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2554A4 #A47525

analogous

#2594A4 #2554A4 #3525A4

triadic

#2554A4 #A42554 #54A425

tetradic

#2554A4 #A42594 #A47525 #25A435

square

#2554A4 #A42594 #A47525 #25A435

split-complementary

#2554A4 #A43525 #94A425

monochromatic

#0E2140 #1A3A72 #2554A4 #356FD1 #6792DD

Accessibility & contrast

On white

7.28

#2554A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2554A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2554A4

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2554A4	#FFFFFF	#000000	##FFFFFF
##2554A4	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275DA7

Deuteranopia (green-blind)

#0051A2

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2554a4;
/* rgb */ color: rgb(37, 84, 164);
/* oklch */ color: oklch(45.9% 0.139 260.3);

Tailwind

colors: {
  custom: {
    50: '#7383bf',
    500: '#2554a4',
    950: '#000000',
  },
}

SCSS

$custom: #2554a4;
$custom-light: #7383bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2554a4",
  "rgb": {
    "r": 37,
    "g": 84,
    "b": 164
  },
  "hsl": {
    "h": 217.795,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45924,
    "c": 0.13926,
    "h": 260.3
  },
  "luminance": 0.09414
}

Semantic roles & 50–950 ramp

primary

#2554A4

secondary

#C29F62

accent

#A942E6

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2554A4

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

Preview Lab → · Contrast checker → · Palette generator →