#2545AC#2545AC

#2545AC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.169 H 266.1°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2545AC
RGB	rgb(37, 69, 172)
HSL	hsl(226, 65%, 41%)
HSV	hsv(226, 78%, 67%)
CMYK	cmyk(78.5%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(33.19, 26.61, -58.36)
CIE-LCH	lch(33.19, 64.14, 294.51°)
OKLab	oklab(43.41% -0.0114 -0.1686)
OKLCH	oklch(43.41% 0.169 266.1)
XYZ	xyz(10.3348, 7.6269, 39.9492)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2545AC #AC8C25

analogous

#2588AC #2545AC #4825AC

triadic

#2545AC #AC2545 #45AC25

tetradic

#2545AC #AC2588 #AC8C25 #25AC48

square

#2545AC #AC2588 #AC8C25 #25AC48

split-complementary

#2545AC #AC4825 #88AC25

monochromatic

#0F1D47 #1A317A #2545AC #3A5ED5 #6C87DF

Accessibility & contrast

On white

8.31

#2545AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2545AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2545AC

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2545AC	#FFFFFF	#000000	##FFFFFF
##2545AC	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)

#0055AF

Deuteranopia (green-blind)

#0048AA

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2545ac;
/* rgb */ color: rgb(37, 69, 172);
/* oklch */ color: oklch(43.4% 0.169 266.1);

Tailwind

colors: {
  custom: {
    50: '#7578c6',
    500: '#2545ac',
    950: '#000000',
  },
}

SCSS

$custom: #2545ac;
$custom-light: #7578c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2545ac",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 225.778,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43406,
    "c": 0.16902,
    "h": 266.1
  },
  "luminance": 0.07628
}

Semantic roles & 50–950 ramp

primary

#2545AC

secondary

#C6AF67

accent

#C040E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2545AC

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

Preview Lab → · Contrast checker → · Palette generator →