#2F3CB6#2F3CB6

#2F3CB6 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.1% C 0.190 H 271.0°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CB6
RGB	rgb(47, 60, 182)
HSL	hsl(234, 59%, 45%)
HSV	hsv(234, 74%, 71%)
CMYK	cmyk(74.2%, 67%, 0%, 28.6%)
CIE-LAB	lab(32.29, 37.21, -65.78)
CIE-LCH	lch(32.29, 75.57, 299.50°)
OKLab	oklab(43.13% 0.0032 -0.1902)
OKLCH	oklch(43.13% 0.19 271)
XYZ	xyz(11.2288, 7.2123, 45.0472)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CB6 #B6A92F

analogous

#2F80B6 #2F3CB6 #652FB6

triadic

#2F3CB6 #B62F3C #3CB62F

tetradic

#2F3CB6 #B62F80 #B6A92F #2FB665

square

#2F3CB6 #B62F80 #B6A92F #2FB665

split-complementary

#2F3CB6 #B6652F #80B62F

monochromatic

#161C55 #222C85 #2F3CB6 #505DD2 #818ADE

Accessibility & contrast

On white

8.60

#2F3CB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2F3CB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CB6

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CB6	#FFFFFF	#000000	##FFFFFF
##2F3CB6	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BA

Deuteranopia (green-blind)

#0046B4

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f3cb6;
/* rgb */ color: rgb(47, 60, 182);
/* oklch */ color: oklch(43.1% 0.190 271.0);

Tailwind

colors: {
  custom: {
    50: '#7c72cd',
    500: '#2f3cb6',
    950: '#000000',
  },
}

SCSS

$custom: #2f3cb6;
$custom-light: #7c72cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3cb6",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 182
  },
  "hsl": {
    "h": 234.222,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43133,
    "c": 0.19028,
    "h": 271
  },
  "luminance": 0.07213
}

Semantic roles & 50–950 ramp

primary

#2F3CB6

secondary

#C7C079

accent

#D346E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2F3CB6

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

Preview Lab → · Contrast checker → · Palette generator →