#2F38B4#2F38B4

#2F38B4 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.192 H 271.7°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F38B4
RGB	rgb(47, 56, 180)
HSL	hsl(236, 59%, 45%)
HSV	hsv(236, 74%, 71%)
CMYK	cmyk(73.9%, 68.9%, 0%, 29.4%)
CIE-LAB	lab(31.18, 38.99, -66.41)
CIE-LCH	lch(31.18, 77.01, 300.42°)
OKLab	oklab(42.27% 0.0057 -0.1921)
OKLCH	oklch(42.27% 0.192 271.7)
XYZ	xyz(10.8219, 6.7268, 43.8992)
Luminance	0.0673 (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

#2F38B4 #B4AB2F

analogous

#2F7BB4 #2F38B4 #692FB4

triadic

#2F38B4 #B42F38 #38B42F

tetradic

#2F38B4 #B42F7B #B4AB2F #2FB469

square

#2F38B4 #B42F7B #B4AB2F #2FB469

split-complementary

#2F38B4 #B4692F #7BB42F

monochromatic

#161A53 #222983 #2F38B4 #4F58D1 #8086DE

Accessibility & contrast

On white

8.95

#2F38B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F38B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F38B4

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F38B4	#FFFFFF	#000000	##FFFFFF
##2F38B4	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B8

Deuteranopia (green-blind)

#0043B2

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f38b4;
/* rgb */ color: rgb(47, 56, 180);
/* oklch */ color: oklch(42.3% 0.192 271.7);

Tailwind

colors: {
  custom: {
    50: '#7c6fcc',
    500: '#2f38b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f38b4;
$custom-light: #7c6fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f38b4",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 180
  },
  "hsl": {
    "h": 235.94,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42271,
    "c": 0.19219,
    "h": 271.7
  },
  "luminance": 0.06728
}

Semantic roles & 50–950 ramp

primary

#2F38B4

secondary

#C7C178

accent

#D746E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F38B4

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

Preview Lab → · Contrast checker → · Palette generator →