#2545A6#2545A6

#2545A6 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.161 H 265.9°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2545A6
RGB	rgb(37, 69, 166)
HSL	hsl(225, 64%, 40%)
HSV	hsv(225, 78%, 65%)
CMYK	cmyk(77.7%, 58.4%, 0%, 34.9%)
CIE-LAB	lab(32.70, 24.30, -55.57)
CIE-LCH	lch(32.70, 60.65, 293.62°)
OKLab	oklab(42.89% -0.0116 -0.1604)
OKLCH	oklch(42.89% 0.161 265.9)
XYZ	xyz(9.7716, 7.4016, 36.9827)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2545A6 #A68625

analogous

#2586A6 #2545A6 #4525A6

triadic

#2545A6 #A62545 #45A625

tetradic

#2545A6 #A62586 #A68625 #25A645

square

#2545A6 #A62586 #A68625 #25A645

split-complementary

#2545A6 #A64525 #86A625

monochromatic

#0F1B42 #1A3074 #2545A6 #365DD2 #6885DD

Accessibility & contrast

On white

8.47

#2545A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2545A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2545A6

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2545A6	#FFFFFF	#000000	##FFFFFF
##2545A6	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A9

Deuteranopia (green-blind)

#0047A4

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2545a6;
/* rgb */ color: rgb(37, 69, 166);
/* oklch */ color: oklch(42.9% 0.161 265.9);

Tailwind

colors: {
  custom: {
    50: '#7478c1',
    500: '#2545a6',
    950: '#000000',
  },
}

SCSS

$custom: #2545a6;
$custom-light: #7478c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2545a6",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 166
  },
  "hsl": {
    "h": 225.116,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42887,
    "c": 0.16087,
    "h": 265.9
  },
  "luminance": 0.07403
}

Semantic roles & 50–950 ramp

primary

#2545A6

secondary

#C3AC64

accent

#BE41E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2545A6

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

Preview Lab → · Contrast checker → · Palette generator →