#2548A6#2548A6

#2548A6 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.157 H 265.0°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#2548A6
RGB	rgb(37, 72, 166)
HSL	hsl(224, 64%, 40%)
HSV	hsv(224, 78%, 65%)
CMYK	cmyk(77.7%, 56.6%, 0%, 34.9%)
CIE-LAB	lab(33.52, 22.28, -54.24)
CIE-LCH	lch(33.52, 58.64, 292.33°)
OKLab	oklab(43.5% -0.0137 -0.1565)
OKLCH	oklch(43.5% 0.157 265)
XYZ	xyz(9.9608, 7.7801, 37.0457)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2548A6 #A68325

analogous

#2589A6 #2548A6 #4325A6

triadic

#2548A6 #A62548 #48A625

tetradic

#2548A6 #A62589 #A68325 #25A643

square

#2548A6 #A62589 #A68325 #25A643

split-complementary

#2548A6 #A64325 #89A625

monochromatic

#0F1D42 #1A3274 #2548A6 #3660D2 #6888DD

Accessibility & contrast

On white

8.22

#2548A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2548A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2548A6

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2548A6	#FFFFFF	#000000	##FFFFFF
##2548A6	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A9

Deuteranopia (green-blind)

#0049A4

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2548a6;
/* rgb */ color: rgb(37, 72, 166);
/* oklch */ color: oklch(43.5% 0.157 265.0);

Tailwind

colors: {
  custom: {
    50: '#747ac1',
    500: '#2548a6',
    950: '#000000',
  },
}

SCSS

$custom: #2548a6;
$custom-light: #747ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#2548a6",
  "rgb": {
    "r": 37,
    "g": 72,
    "b": 166
  },
  "hsl": {
    "h": 223.721,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43501,
    "c": 0.15709,
    "h": 265
  },
  "luminance": 0.07781
}

Semantic roles & 50–950 ramp

primary

#2548A6

secondary

#C3A964

accent

#BA41E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2548A6

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

Preview Lab → · Contrast checker → · Palette generator →