#2548A2#2548A2

#2548A2 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.152 H 264.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2548A2
RGB	rgb(37, 72, 162)
HSL	hsl(223, 63%, 39%)
HSV	hsv(223, 77%, 64%)
CMYK	cmyk(77.2%, 55.6%, 0%, 36.5%)
CIE-LAB	lab(33.21, 20.73, -52.34)
CIE-LCH	lch(33.21, 56.30, 291.60°)
OKLab	oklab(43.17% -0.014 -0.1509)
OKLCH	oklch(43.17% 0.152 264.7)
XYZ	xyz(9.5996, 7.6356, 35.1433)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2548A2 #A27F25

analogous

#2587A2 #2548A2 #4125A2

triadic

#2548A2 #A22548 #48A225

tetradic

#2548A2 #A22587 #A27F25 #25A241

square

#2548A2 #A22587 #A27F25 #25A241

split-complementary

#2548A2 #A24125 #87A225

monochromatic

#0E1C3E #1A3270 #2548A2 #3460D1 #6587DC

Accessibility & contrast

On white

8.31

#2548A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2548A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2548A2

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2548A2	#FFFFFF	#000000	##FFFFFF
##2548A2	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A5

Deuteranopia (green-blind)

#0049A0

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2548a2;
/* rgb */ color: rgb(37, 72, 162);
/* oklch */ color: oklch(43.2% 0.152 264.7);

Tailwind

colors: {
  custom: {
    50: '#737abe',
    500: '#2548a2',
    950: '#000000',
  },
}

SCSS

$custom: #2548a2;
$custom-light: #737abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2548a2",
  "rgb": {
    "r": 37,
    "g": 72,
    "b": 162
  },
  "hsl": {
    "h": 223.2,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43171,
    "c": 0.15156,
    "h": 264.7
  },
  "luminance": 0.07637
}

Semantic roles & 50–950 ramp

primary

#2548A2

secondary

#C2A761

accent

#B842E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2548A2

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

Preview Lab → · Contrast checker → · Palette generator →