#2F38B5#2F38B5

#2F38B5 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.4% C 0.193 H 271.7°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F38B5
RGB	rgb(47, 56, 181)
HSL	hsl(236, 59%, 45%)
HSV	hsv(236, 74%, 71%)
CMYK	cmyk(74%, 69.1%, 0%, 29%)
CIE-LAB	lab(31.27, 39.34, -66.85)
CIE-LCH	lch(31.27, 77.57, 300.48°)
OKLab	oklab(42.37% 0.0056 -0.1934)
OKLCH	oklch(42.37% 0.193 271.7)
XYZ	xyz(10.9241, 6.7677, 44.4377)
Luminance	0.0677 (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

#2F38B5 #B5AC2F

analogous

#2F7BB5 #2F38B5 #692FB5

triadic

#2F38B5 #B52F38 #38B52F

tetradic

#2F38B5 #B52F7B #B5AC2F #2FB569

square

#2F38B5 #B52F7B #B5AC2F #2FB569

split-complementary

#2F38B5 #B5692F #7BB52F

monochromatic

#161A54 #222984 #2F38B5 #5058D1 #8087DE

Accessibility & contrast

On white

8.92

#2F38B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F38B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F38B5

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F38B5	#FFFFFF	#000000	##FFFFFF
##2F38B5	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B9

Deuteranopia (green-blind)

#0043B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f38b5;
/* rgb */ color: rgb(47, 56, 181);
/* oklch */ color: oklch(42.4% 0.193 271.7);

Tailwind

colors: {
  custom: {
    50: '#7c6fcc',
    500: '#2f38b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f38b5;
$custom-light: #7c6fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f38b5",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 181
  },
  "hsl": {
    "h": 235.97,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42369,
    "c": 0.19347,
    "h": 271.7
  },
  "luminance": 0.06769
}

Semantic roles & 50–950 ramp

primary

#2F38B5

secondary

#C7C279

accent

#D746E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F38B5

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

Preview Lab → · Contrast checker → · Palette generator →