#2D48B3#2D48B3

#2D48B3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.173 H 267.8°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#2D48B3
RGB	rgb(45, 72, 179)
HSL	hsl(228, 60%, 44%)
HSV	hsv(228, 75%, 70%)
CMYK	cmyk(74.9%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(34.90, 28.16, -59.73)
CIE-LCH	lch(34.90, 66.04, 295.24°)
OKLab	oklab(44.95% -0.0065 -0.1725)
OKLCH	oklch(44.95% 0.173 267.8)
XYZ	xyz(11.5334, 8.4460, 43.6615)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D48B3 #B3982D

analogous

#2D8BB3 #2D48B3 #552DB3

triadic

#2D48B3 #B32D48 #48B32D

tetradic

#2D48B3 #B32D8B #B3982D #2DB355

square

#2D48B3 #B32D8B #B3982D #2DB355

split-complementary

#2D48B3 #B3552D #8BB32D

monochromatic

#142151 #213482 #2D48B3 #4B66D2 #7C90DE

Accessibility & contrast

On white

7.81

#2D48B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2D48B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D48B3

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D48B3	#FFFFFF	#000000	##FFFFFF
##2D48B3	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2d48b3;
/* rgb */ color: rgb(45, 72, 179);
/* oklch */ color: oklch(44.9% 0.173 267.8);

Tailwind

colors: {
  custom: {
    50: '#7a7acb',
    500: '#2d48b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d48b3;
$custom-light: #7a7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d48b3",
  "rgb": {
    "r": 45,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 227.91,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44948,
    "c": 0.17259,
    "h": 267.8
  },
  "luminance": 0.08447
}

Semantic roles & 50–950 ramp

primary

#2D48B3

secondary

#C7B675

accent

#C345E3

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2D48B3

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

Preview Lab → · Contrast checker → · Palette generator →