#2B45A4#2B45A4

#2B45A4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.156 H 267.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#2B45A4
RGB	rgb(43, 69, 164)
HSL	hsl(227, 58%, 41%)
HSV	hsv(227, 74%, 64%)
CMYK	cmyk(73.8%, 57.9%, 0%, 35.7%)
CIE-LAB	lab(32.81, 24.26, -54.19)
CIE-LCH	lch(32.81, 59.37, 294.12°)
OKLab	oklab(42.99% -0.0065 -0.1563)
OKLCH	oklch(42.99% 0.156 267.6)
XYZ	xyz(9.8229, 7.4491, 36.0349)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45A4 #A48A2B

analogous

#2B82A4 #2B45A4 #4D2BA4

triadic

#2B45A4 #A42B45 #45A42B

tetradic

#2B45A4 #A42B82 #A48A2B #2BA44D

square

#2B45A4 #A42B82 #A48A2B #2BA44D

split-complementary

#2B45A4 #A44D2B #82A42B

monochromatic

#121C43 #1E3174 #2B45A4 #3F5ECD #7087D9

Accessibility & contrast

On white

8.43

#2B45A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2B45A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45A4

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45A4	#FFFFFF	#000000	##FFFFFF
##2B45A4	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b45a4;
/* rgb */ color: rgb(43, 69, 164);
/* oklch */ color: oklch(43.0% 0.156 267.6);

Tailwind

colors: {
  custom: {
    50: '#7678c0',
    500: '#2b45a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b45a4;
$custom-light: #7678c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45a4",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 164
  },
  "hsl": {
    "h": 227.107,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42988,
    "c": 0.1564,
    "h": 267.6
  },
  "luminance": 0.0745
}

Semantic roles & 50–950 ramp

primary

#2B45A4

secondary

#C1AE6A

accent

#C046E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B45A4

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

Preview Lab → · Contrast checker → · Palette generator →