#2745A3#2745A3

#2745A3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.156 H 266.3°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2745A3
RGB	rgb(39, 69, 163)
HSL	hsl(225, 61%, 40%)
HSV	hsv(225, 76%, 64%)
CMYK	cmyk(76.1%, 57.7%, 0%, 36.1%)
CIE-LAB	lab(32.55, 23.38, -54.02)
CIE-LCH	lch(32.55, 58.86, 293.40°)
OKLab	oklab(42.72% -0.01 -0.1558)
OKLCH	oklch(42.72% 0.156 266.3)
XYZ	xyz(9.5734, 7.3309, 35.5537)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745A3 #A38527

analogous

#2783A3 #2745A3 #4727A3

triadic

#2745A3 #A32745 #45A327

tetradic

#2745A3 #A32783 #A38527 #27A347

square

#2745A3 #A32783 #A38527 #27A347

split-complementary

#2745A3 #A34727 #83A327

monochromatic

#0F1B40 #1B3072 #2745A3 #385DCF #6985DB

Accessibility & contrast

On white

8.51

#2745A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2745A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745A3

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745A3	#FFFFFF	#000000	##FFFFFF
##2745A3	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2745a3;
/* rgb */ color: rgb(39, 69, 163);
/* oklch */ color: oklch(42.7% 0.156 266.3);

Tailwind

colors: {
  custom: {
    50: '#7478bf',
    500: '#2745a3',
    950: '#000000',
  },
}

SCSS

$custom: #2745a3;
$custom-light: #7478bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2745a3",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 163
  },
  "hsl": {
    "h": 225.484,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42719,
    "c": 0.15617,
    "h": 266.3
  },
  "luminance": 0.07332
}

Semantic roles & 50–950 ramp

primary

#2745A3

secondary

#C1AB64

accent

#BD43E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2745A3

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

Preview Lab → · Contrast checker → · Palette generator →