#2B45A5#2B45A5

#2B45A5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.1% C 0.158 H 267.7°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#2B45A5
RGB	rgb(43, 69, 165)
HSL	hsl(227, 59%, 41%)
HSV	hsv(227, 74%, 65%)
CMYK	cmyk(73.9%, 58.2%, 0%, 35.3%)
CIE-LAB	lab(32.89, 24.64, -54.66)
CIE-LCH	lch(32.89, 59.96, 294.26°)
OKLab	oklab(43.07% -0.0064 -0.1577)
OKLCH	oklch(43.07% 0.158 267.7)
XYZ	xyz(9.9136, 7.4854, 36.5124)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45A5 #A58B2B

analogous

#2B82A5 #2B45A5 #4E2BA5

triadic

#2B45A5 #A52B45 #45A52B

tetradic

#2B45A5 #A52B82 #A58B2B #2BA54E

square

#2B45A5 #A52B82 #A58B2B #2BA54E

split-complementary

#2B45A5 #A54E2B #82A52B

monochromatic

#121C44 #1E3174 #2B45A5 #405ECD #7187DA

Accessibility & contrast

On white

8.41

#2B45A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2B45A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45A5

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45A5	#FFFFFF	#000000	##FFFFFF
##2B45A5	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b45a5;
/* rgb */ color: rgb(43, 69, 165);
/* oklch */ color: oklch(43.1% 0.158 267.7);

Tailwind

colors: {
  custom: {
    50: '#7678c0',
    500: '#2b45a5',
    950: '#000000',
  },
}

SCSS

$custom: #2b45a5;
$custom-light: #7678c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45a5",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 165
  },
  "hsl": {
    "h": 227.213,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43072,
    "c": 0.15779,
    "h": 267.7
  },
  "luminance": 0.07486
}

Semantic roles & 50–950 ramp

primary

#2B45A5

secondary

#C1AF6B

accent

#C146E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B45A5

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

Preview Lab → · Contrast checker → · Palette generator →