#2F45A3#2F45A3

#2F45A3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.1% C 0.154 H 269.0°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A3
RGB	rgb(47, 69, 163)
HSL	hsl(229, 55%, 41%)
HSV	hsv(229, 71%, 64%)
CMYK	cmyk(71.2%, 57.7%, 0%, 36.1%)
CIE-LAB	lab(32.93, 24.43, -53.38)
CIE-LCH	lch(32.93, 58.71, 294.59°)
OKLab	oklab(43.11% -0.0027 -0.1538)
OKLCH	oklch(43.11% 0.154 269)
XYZ	xyz(9.9090, 7.5039, 35.5694)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A3 #A38D2F

analogous

#2F7FA3 #2F45A3 #532FA3

triadic

#2F45A3 #A32F45 #45A32F

tetradic

#2F45A3 #A32F7F #A38D2F #2FA353

square

#2F45A3 #A32F7F #A38D2F #2FA353

split-complementary

#2F45A3 #A3532F #7FA32F

monochromatic

#141D44 #213173 #2F45A3 #465FCA #7588D7

Accessibility & contrast

On white

8.40

#2F45A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2F45A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A3

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A3	#FFFFFF	#000000	##FFFFFF
##2F45A3	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A6

Deuteranopia (green-blind)

#0048A1

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f45a3;
/* rgb */ color: rgb(47, 69, 163);
/* oklch */ color: oklch(43.1% 0.154 269.0);

Tailwind

colors: {
  custom: {
    50: '#7778bf',
    500: '#2f45a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a3;
$custom-light: #7778bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a3",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 163
  },
  "hsl": {
    "h": 228.621,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43107,
    "c": 0.15384,
    "h": 269
  },
  "luminance": 0.07505
}

Semantic roles & 50–950 ramp

primary

#2F45A3

secondary

#BFB06F

accent

#C249DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F45A3

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

Preview Lab → · Contrast checker → · Palette generator →