#2545A3#2545A3

#2545A3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.6% C 0.157 H 265.7°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#2545A3
RGB	rgb(37, 69, 163)
HSL	hsl(225, 63%, 39%)
HSV	hsv(225, 77%, 64%)
CMYK	cmyk(77.3%, 57.7%, 0%, 36.1%)
CIE-LAB	lab(32.46, 23.14, -54.16)
CIE-LCH	lch(32.46, 58.89, 293.13°)
OKLab	oklab(42.63% -0.0117 -0.1563)
OKLCH	oklch(42.63% 0.157 265.7)
XYZ	xyz(9.4996, 7.2928, 35.5502)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2545A3 #A38325

analogous

#2584A3 #2545A3 #4425A3

triadic

#2545A3 #A32545 #45A325

tetradic

#2545A3 #A32584 #A38325 #25A344

square

#2545A3 #A32584 #A38325 #25A344

split-complementary

#2545A3 #A34425 #84A325

monochromatic

#0E1B3F #1A3071 #2545A3 #345CD1 #6684DC

Accessibility & contrast

On white

8.54

#2545A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2545A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2545A3

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2545A3	#FFFFFF	#000000	##FFFFFF
##2545A3	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2545a3;
/* rgb */ color: rgb(37, 69, 163);
/* oklch */ color: oklch(42.6% 0.157 265.7);

Tailwind

colors: {
  custom: {
    50: '#7378bf',
    500: '#2545a3',
    950: '#000000',
  },
}

SCSS

$custom: #2545a3;
$custom-light: #7378bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2545a3",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 163
  },
  "hsl": {
    "h": 224.762,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.42632,
    "c": 0.15674,
    "h": 265.7
  },
  "luminance": 0.07294
}

Semantic roles & 50–950 ramp

primary

#2545A3

secondary

#C2AA62

accent

#BC42E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2545A3

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

Preview Lab → · Contrast checker → · Palette generator →