#2B45A6#2B45A6

#2B45A6 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.159 H 267.7°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B45A6
RGB	rgb(43, 69, 166)
HSL	hsl(227, 59%, 41%)
HSV	hsv(227, 74%, 65%)
CMYK	cmyk(74.1%, 58.4%, 0%, 34.9%)
CIE-LAB	lab(32.97, 25.02, -55.13)
CIE-LCH	lch(32.97, 60.54, 294.41°)
OKLab	oklab(43.16% -0.0064 -0.159)
OKLCH	oklch(43.16% 0.159 267.7)
XYZ	xyz(10.0049, 7.5219, 36.9936)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45A6 #A68C2B

analogous

#2B82A6 #2B45A6 #4E2BA6

triadic

#2B45A6 #A62B45 #45A62B

tetradic

#2B45A6 #A62B82 #A68C2B #2BA64E

square

#2B45A6 #A62B82 #A68C2B #2BA64E

split-complementary

#2B45A6 #A64E2B #82A62B

monochromatic

#121D45 #1E3175 #2B45A6 #415ECE #7187DA

Accessibility & contrast

On white

8.38

#2B45A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2B45A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45A6

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45A6	#FFFFFF	#000000	##FFFFFF
##2B45A6	1.00	8.38	2.50	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A9

Deuteranopia (green-blind)

#0048A4

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b45a6;
/* rgb */ color: rgb(43, 69, 166);
/* oklch */ color: oklch(43.2% 0.159 267.7);

Tailwind

colors: {
  custom: {
    50: '#7678c1',
    500: '#2b45a6',
    950: '#000000',
  },
}

SCSS

$custom: #2b45a6;
$custom-light: #7678c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45a6",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 166
  },
  "hsl": {
    "h": 227.317,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43156,
    "c": 0.15917,
    "h": 267.7
  },
  "luminance": 0.07523
}

Semantic roles & 50–950 ramp

primary

#2B45A6

secondary

#C1AF6B

accent

#C146E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B45A6

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

Preview Lab → · Contrast checker → · Palette generator →