#2745AE#2745AE

#2745AE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.171 H 266.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2745AE
RGB	rgb(39, 69, 174)
HSL	hsl(227, 63%, 42%)
HSV	hsv(227, 78%, 68%)
CMYK	cmyk(77.6%, 60.3%, 0%, 31.8%)
CIE-LAB	lab(33.44, 27.58, -59.15)
CIE-LCH	lch(33.44, 65.26, 295.00°)
OKLab	oklab(43.66% -0.0097 -0.1709)
OKLCH	oklch(43.66% 0.171 266.7)
XYZ	xyz(10.6021, 7.7424, 40.9719)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745AE #AE9027

analogous

#2789AE #2745AE #4D27AE

triadic

#2745AE #AE2745 #45AE27

tetradic

#2745AE #AE2789 #AE9027 #27AE4D

square

#2745AE #AE2789 #AE9027 #27AE4D

split-complementary

#2745AE #AE4D27 #89AE27

monochromatic

#111D4A #1C317C #2745AE #3E60D4 #7089DF

Accessibility & contrast

On white

8.24

#2745AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2745AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745AE

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745AE	#FFFFFF	#000000	##FFFFFF
##2745AE	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B1

Deuteranopia (green-blind)

#0049AC

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2745ae;
/* rgb */ color: rgb(39, 69, 174);
/* oklch */ color: oklch(43.7% 0.171 266.7);

Tailwind

colors: {
  custom: {
    50: '#7778c7',
    500: '#2745ae',
    950: '#000000',
  },
}

SCSS

$custom: #2745ae;
$custom-light: #7778c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2745ae",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 174
  },
  "hsl": {
    "h": 226.667,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43664,
    "c": 0.17119,
    "h": 266.7
  },
  "luminance": 0.07744
}

Semantic roles & 50–950 ramp

primary

#2745AE

secondary

#C6B26B

accent

#C241E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2745AE

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

Preview Lab → · Contrast checker → · Palette generator →