#2545A5#2545A5

#2545A5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.8% C 0.159 H 265.8°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2545A5
RGB	rgb(37, 69, 165)
HSL	hsl(225, 63%, 40%)
HSV	hsv(225, 78%, 65%)
CMYK	cmyk(77.6%, 58.2%, 0%, 35.3%)
CIE-LAB	lab(32.62, 23.91, -55.10)
CIE-LCH	lch(32.62, 60.07, 293.46°)
OKLab	oklab(42.8% -0.0116 -0.1591)
OKLCH	oklch(42.8% 0.159 265.8)
XYZ	xyz(9.6802, 7.3651, 36.5014)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2545A5 #A58525

analogous

#2585A5 #2545A5 #4525A5

triadic

#2545A5 #A52545 #45A525

tetradic

#2545A5 #A52585 #A58525 #25A545

square

#2545A5 #A52585 #A58525 #25A545

split-complementary

#2545A5 #A54525 #85A525

monochromatic

#0F1B41 #1A3073 #2545A5 #355DD2 #6785DD

Accessibility & contrast

On white

8.49

#2545A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2545A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2545A5

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2545A5	#FFFFFF	#000000	##FFFFFF
##2545A5	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A8

Deuteranopia (green-blind)

#0047A3

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2545a5;
/* rgb */ color: rgb(37, 69, 165);
/* oklch */ color: oklch(42.8% 0.159 265.8);

Tailwind

colors: {
  custom: {
    50: '#7478c0',
    500: '#2545a5',
    950: '#000000',
  },
}

SCSS

$custom: #2545a5;
$custom-light: #7478c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2545a5",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 165
  },
  "hsl": {
    "h": 225,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42802,
    "c": 0.15949,
    "h": 265.8
  },
  "luminance": 0.07366
}

Semantic roles & 50–950 ramp

primary

#2545A5

secondary

#C3AB63

accent

#BD41E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2545A5

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

Preview Lab → · Contrast checker → · Palette generator →