#2745A8#2745A8

#2745A8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.1% C 0.163 H 266.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2745A8
RGB	rgb(39, 69, 168)
HSL	hsl(226, 62%, 41%)
HSV	hsv(226, 77%, 66%)
CMYK	cmyk(76.8%, 58.9%, 0%, 34.1%)
CIE-LAB	lab(32.95, 25.29, -56.37)
CIE-LCH	lch(32.95, 61.78, 294.17°)
OKLab	oklab(43.14% -0.0098 -0.1627)
OKLCH	oklch(43.14% 0.163 266.5)
XYZ	xyz(10.0302, 7.5136, 37.9598)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745A8 #A88A27

analogous

#2785A8 #2745A8 #4A27A8

triadic

#2745A8 #A82745 #45A827

tetradic

#2745A8 #A82785 #A88A27 #27A84A

square

#2745A8 #A82785 #A88A27 #27A84A

split-complementary

#2745A8 #A84A27 #85A827

monochromatic

#101C45 #1B3176 #2745A8 #3B5ED1 #6C87DD

Accessibility & contrast

On white

8.39

#2745A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2745A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745A8

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745A8	#FFFFFF	#000000	##FFFFFF
##2745A8	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)

#0054AB

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2745a8;
/* rgb */ color: rgb(39, 69, 168);
/* oklch */ color: oklch(43.1% 0.163 266.5);

Tailwind

colors: {
  custom: {
    50: '#7578c3',
    500: '#2745a8',
    950: '#000000',
  },
}

SCSS

$custom: #2745a8;
$custom-light: #7578c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2745a8",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 168
  },
  "hsl": {
    "h": 226.047,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43144,
    "c": 0.16305,
    "h": 266.5
  },
  "luminance": 0.07515
}

Semantic roles & 50–950 ramp

primary

#2745A8

secondary

#C3AE67

accent

#BF42E5

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2745A8

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

Preview Lab → · Contrast checker → · Palette generator →