#2F45A1#2F45A1

#2F45A1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.151 H 268.9°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A1
RGB	rgb(47, 69, 161)
HSL	hsl(228, 55%, 41%)
HSV	hsv(228, 71%, 63%)
CMYK	cmyk(70.8%, 57.1%, 0%, 36.9%)
CIE-LAB	lab(32.77, 23.68, -52.43)
CIE-LCH	lch(32.77, 57.53, 294.31°)
OKLab	oklab(42.94% -0.0028 -0.151)
OKLCH	oklch(42.94% 0.151 268.9)
XYZ	xyz(9.7312, 7.4328, 34.6331)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A1 #A18B2F

analogous

#2F7EA1 #2F45A1 #522FA1

triadic

#2F45A1 #A12F45 #45A12F

tetradic

#2F45A1 #A12F7E #A18B2F #2FA152

square

#2F45A1 #A12F7E #A18B2F #2FA152

split-complementary

#2F45A1 #A1522F #7EA12F

monochromatic

#131C42 #213172 #2F45A1 #455EC9 #7487D6

Accessibility & contrast

On white

8.44

#2F45A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2F45A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A1

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A1	#FFFFFF	#000000	##FFFFFF
##2F45A1	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A4

Deuteranopia (green-blind)

#00489F

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f45a1;
/* rgb */ color: rgb(47, 69, 161);
/* oklch */ color: oklch(42.9% 0.151 268.9);

Tailwind

colors: {
  custom: {
    50: '#7678be',
    500: '#2f45a1',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a1;
$custom-light: #7678be;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a1",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 161
  },
  "hsl": {
    "h": 228.421,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42942,
    "c": 0.15105,
    "h": 268.9
  },
  "luminance": 0.07434
}

Semantic roles & 50–950 ramp

primary

#2F45A1

secondary

#BEAF6E

accent

#C14ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F45A1

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

Preview Lab → · Contrast checker → · Palette generator →