#2545A9#2545A9

#2545A9 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.1% C 0.165 H 266.0°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2545A9
RGB	rgb(37, 69, 169)
HSL	hsl(225, 64%, 40%)
HSV	hsv(225, 78%, 66%)
CMYK	cmyk(78.1%, 59.2%, 0%, 33.7%)
CIE-LAB	lab(32.95, 25.46, -56.97)
CIE-LCH	lch(32.95, 62.40, 294.08°)
OKLab	oklab(43.15% -0.0115 -0.1646)
OKLCH	oklch(43.15% 0.165 266)
XYZ	xyz(10.0500, 7.5130, 38.4489)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2545A9 #A98925

analogous

#2587A9 #2545A9 #4725A9

triadic

#2545A9 #A92545 #45A925

tetradic

#2545A9 #A92587 #A98925 #25A947

square

#2545A9 #A92587 #A98925 #25A947

split-complementary

#2545A9 #A94725 #87A925

monochromatic

#0F1C45 #1A3077 #2545A9 #385ED3 #6A86DE

Accessibility & contrast

On white

8.39

#2545A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2545A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2545A9

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2545A9	#FFFFFF	#000000	##FFFFFF
##2545A9	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AC

Deuteranopia (green-blind)

#0048A7

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2545a9;
/* rgb */ color: rgb(37, 69, 169);
/* oklch */ color: oklch(43.1% 0.165 266.0);

Tailwind

colors: {
  custom: {
    50: '#7578c3',
    500: '#2545a9',
    950: '#000000',
  },
}

SCSS

$custom: #2545a9;
$custom-light: #7578c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2545a9",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 169
  },
  "hsl": {
    "h": 225.455,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43145,
    "c": 0.16496,
    "h": 266
  },
  "luminance": 0.07514
}

Semantic roles & 50–950 ramp

primary

#2545A9

secondary

#C4AD65

accent

#BF41E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2545A9

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

Preview Lab → · Contrast checker → · Palette generator →