#2545BA#2545BA

#2545BA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.188 H 266.5°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#2545BA
RGB	rgb(37, 69, 186)
HSL	hsl(227, 67%, 44%)
HSV	hsv(227, 80%, 73%)
CMYK	cmyk(80.1%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(34.38, 31.92, -64.72)
CIE-LCH	lch(34.38, 72.16, 296.25°)
OKLab	oklab(44.66% -0.0113 -0.1873)
OKLCH	oklch(44.66% 0.188 266.5)
XYZ	xyz(11.7509, 8.1934, 47.4070)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2545BA #BA9A25

analogous

#258FBA #2545BA #4F25BA

triadic

#2545BA #BA2545 #45BA25

tetradic

#2545BA #BA258F #BA9A25 #25BA4F

square

#2545BA #BA258F #BA9A25 #25BA4F

split-complementary

#2545BA #BA4F25 #8FBA25

monochromatic

#111F54 #1B3287 #2545BA #4363DA #768DE4

Accessibility & contrast

On white

7.96

#2545BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2545BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2545BA

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2545BA	#FFFFFF	#000000	##FFFFFF
##2545BA	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#006479

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2545ba;
/* rgb */ color: rgb(37, 69, 186);
/* oklch */ color: oklch(44.7% 0.188 266.5);

Tailwind

colors: {
  custom: {
    50: '#7978d0',
    500: '#2545ba',
    950: '#000000',
  },
}

SCSS

$custom: #2545ba;
$custom-light: #7978d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2545ba",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 227.114,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44657,
    "c": 0.18762,
    "h": 266.5
  },
  "luminance": 0.08195
}

Semantic roles & 50–950 ramp

primary

#2545BA

secondary

#CBB770

accent

#C53EEA

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2545BA

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

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