#2B45A0#2B45A0

#2B45A0 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.151 H 267.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B45A0
RGB	rgb(43, 69, 160)
HSL	hsl(227, 58%, 40%)
HSV	hsv(227, 73%, 63%)
CMYK	cmyk(73.1%, 56.9%, 0%, 37.3%)
CIE-LAB	lab(32.50, 22.74, -52.29)
CIE-LCH	lch(32.50, 57.02, 293.51°)
OKLab	oklab(42.66% -0.0066 -0.1507)
OKLCH	oklch(42.66% 0.151 267.5)
XYZ	xyz(9.4673, 7.3069, 34.1623)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45A0 #A0862B

analogous

#2B7FA0 #2B45A0 #4C2BA0

triadic

#2B45A0 #A02B45 #45A02B

tetradic

#2B45A0 #A02B7F #A0862B #2BA04C

square

#2B45A0 #A02B7F #A0862B #2BA04C

split-complementary

#2B45A0 #A04C2B #7FA02B

monochromatic

#111B40 #1E3070 #2B45A0 #3D5DCB #6E85D8

Accessibility & contrast

On white

8.53

#2B45A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2B45A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45A0

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45A0	#FFFFFF	#000000	##FFFFFF
##2B45A0	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A3

Deuteranopia (green-blind)

#00479E

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b45a0;
/* rgb */ color: rgb(43, 69, 160);
/* oklch */ color: oklch(42.7% 0.151 267.5);

Tailwind

colors: {
  custom: {
    50: '#7578bd',
    500: '#2b45a0',
    950: '#000000',
  },
}

SCSS

$custom: #2b45a0;
$custom-light: #7578bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45a0",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 160
  },
  "hsl": {
    "h": 226.667,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42655,
    "c": 0.15084,
    "h": 267.5
  },
  "luminance": 0.07308
}

Semantic roles & 50–950 ramp

primary

#2B45A0

secondary

#BFAC68

accent

#BF47E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B45A0

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

Preview Lab → · Contrast checker → · Palette generator →