#2745AD#2745AD

#2745AD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.170 H 266.7°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#2745AD
RGB	rgb(39, 69, 173)
HSL	hsl(227, 63%, 42%)
HSV	hsv(227, 77%, 68%)
CMYK	cmyk(77.5%, 60.1%, 0%, 32.2%)
CIE-LAB	lab(33.36, 27.20, -58.69)
CIE-LCH	lch(33.36, 64.69, 294.87°)
OKLab	oklab(43.58% -0.0097 -0.1696)
OKLCH	oklch(43.58% 0.17 266.7)
XYZ	xyz(10.5050, 7.7035, 40.4603)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745AD #AD8F27

analogous

#2788AD #2745AD #4C27AD

triadic

#2745AD #AD2745 #45AD27

tetradic

#2745AD #AD2788 #AD8F27 #27AD4C

square

#2745AD #AD2788 #AD8F27 #27AD4C

split-complementary

#2745AD #AD4C27 #88AD27

monochromatic

#101D49 #1C317B #2745AD #3E5FD3 #7089DF

Accessibility & contrast

On white

8.26

#2745AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2745AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745AD

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745AD	#FFFFFF	#000000	##FFFFFF
##2745AD	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B0

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2745ad;
/* rgb */ color: rgb(39, 69, 173);
/* oklch */ color: oklch(43.6% 0.170 266.7);

Tailwind

colors: {
  custom: {
    50: '#7678c6',
    500: '#2745ad',
    950: '#000000',
  },
}

SCSS

$custom: #2745ad;
$custom-light: #7678c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2745ad",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 173
  },
  "hsl": {
    "h": 226.567,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43577,
    "c": 0.16984,
    "h": 266.7
  },
  "luminance": 0.07705
}

Semantic roles & 50–950 ramp

primary

#2745AD

secondary

#C6B16A

accent

#C142E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2745AD

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

Preview Lab → · Contrast checker → · Palette generator →