#2F45A8#2F45A8

#2F45A8 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.161 H 269.1°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A8
RGB	rgb(47, 69, 168)
HSL	hsl(229, 56%, 42%)
HSV	hsv(229, 72%, 66%)
CMYK	cmyk(72%, 58.9%, 0%, 34.1%)
CIE-LAB	lab(33.32, 26.29, -55.74)
CIE-LCH	lch(33.32, 61.63, 295.25°)
OKLab	oklab(43.53% -0.0026 -0.1607)
OKLCH	oklch(43.53% 0.161 269.1)
XYZ	xyz(10.3659, 7.6867, 37.9756)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A8 #A8922F

analogous

#2F82A8 #2F45A8 #562FA8

triadic

#2F45A8 #A82F45 #45A82F

tetradic

#2F45A8 #A82F82 #A8922F #2FA856

square

#2F45A8 #A82F82 #A8922F #2FA856

split-complementary

#2F45A8 #A8562F #82A82F

monochromatic

#141E48 #223178 #2F45A8 #4860CC #788AD9

Accessibility & contrast

On white

8.28

#2F45A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2F45A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A8

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A8	#FFFFFF	#000000	##FFFFFF
##2F45A8	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AB

Deuteranopia (green-blind)

#0049A6

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f45a8;
/* rgb */ color: rgb(47, 69, 168);
/* oklch */ color: oklch(43.5% 0.161 269.1);

Tailwind

colors: {
  custom: {
    50: '#7878c3',
    500: '#2f45a8',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a8;
$custom-light: #7878c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a8",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 168
  },
  "hsl": {
    "h": 229.091,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.43525,
    "c": 0.16077,
    "h": 269.1
  },
  "luminance": 0.07688
}

Semantic roles & 50–950 ramp

primary

#2F45A8

secondary

#C1B371

accent

#C448E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F45A8

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

Preview Lab → · Contrast checker → · Palette generator →