#2F39A6#2F39A6

#2F39A6 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.173 H 272.1°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F39A6
RGB	rgb(47, 57, 166)
HSL	hsl(235, 56%, 42%)
HSV	hsv(235, 72%, 65%)
CMYK	cmyk(71.7%, 65.7%, 0%, 34.9%)
CIE-LAB	lab(30.11, 33.40, -59.78)
CIE-LCH	lch(30.11, 68.48, 299.19°)
OKLab	oklab(41.1% 0.0064 -0.1727)
OKLCH	oklch(41.1% 0.173 272.1)
XYZ	xyz(9.5160, 6.2828, 36.7802)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F39A6 #A69C2F

analogous

#2F75A6 #2F39A6 #612FA6

triadic

#2F39A6 #A62F39 #39A62F

tetradic

#2F39A6 #A62F75 #A69C2F #2FA661

square

#2F39A6 #A62F75 #A69C2F #2FA661

split-complementary

#2F39A6 #A6612F #75A62F

monochromatic

#141847 #212976 #2F39A6 #4752CB #777FD8

Accessibility & contrast

On white

9.31

#2F39A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2F39A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F39A6

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F39A6	#FFFFFF	#000000	##FFFFFF
##2F39A6	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA9

Deuteranopia (green-blind)

#0041A4

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f39a6;
/* rgb */ color: rgb(47, 57, 166);
/* oklch */ color: oklch(41.1% 0.173 272.1);

Tailwind

colors: {
  custom: {
    50: '#796fc1',
    500: '#2f39a6',
    950: '#000000',
  },
}

SCSS

$custom: #2f39a6;
$custom-light: #796fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f39a6",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 166
  },
  "hsl": {
    "h": 234.958,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41104,
    "c": 0.17283,
    "h": 272.1
  },
  "luminance": 0.06284
}

Semantic roles & 50–950 ramp

primary

#2F39A6

secondary

#C1BA70

accent

#D349DF

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F39A6

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

Preview Lab → · Contrast checker → · Palette generator →