#2745B6#2745B6

#2745B6 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.182 H 266.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#2745B6
RGB	rgb(39, 69, 182)
HSL	hsl(227, 65%, 43%)
HSV	hsv(227, 79%, 71%)
CMYK	cmyk(78.6%, 62.1%, 0%, 28.6%)
CIE-LAB	lab(34.12, 30.61, -62.79)
CIE-LCH	lch(34.12, 69.85, 295.99°)
OKLab	oklab(44.38% -0.0097 -0.1816)
OKLCH	oklch(44.38% 0.182 266.9)
XYZ	xyz(11.4054, 8.0637, 45.2022)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745B6 #B69827

analogous

#278CB6 #2745B6 #5127B6

triadic

#2745B6 #B62745 #45B627

tetradic

#2745B6 #B6278C #B69827 #27B651

square

#2745B6 #B6278C #B69827 #27B651

split-complementary

#2745B6 #B65127 #8CB627

monochromatic

#111F51 #1C3284 #2745B6 #4362D7 #768CE2

Accessibility & contrast

On white

8.04

#2745B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#2745B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745B6

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745B6	#FFFFFF	#000000	##FFFFFF
##2745B6	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BA

Deuteranopia (green-blind)

#004AB4

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2745b6;
/* rgb */ color: rgb(39, 69, 182);
/* oklch */ color: oklch(44.4% 0.182 266.9);

Tailwind

colors: {
  custom: {
    50: '#7978cd',
    500: '#2745b6',
    950: '#000000',
  },
}

SCSS

$custom: #2745b6;
$custom-light: #7978cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2745b6",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 182
  },
  "hsl": {
    "h": 227.413,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44375,
    "c": 0.18186,
    "h": 266.9
  },
  "luminance": 0.08065
}

Semantic roles & 50–950 ramp

primary

#2745B6

secondary

#C9B670

accent

#C540E8

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2745B6

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

Preview Lab → · Contrast checker → · Palette generator →