#2F299E#2F299E

#2F299E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.180 H 275.6°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#2F299E
RGB	rgb(47, 41, 158)
HSL	hsl(243, 59%, 39%)
HSV	hsv(243, 74%, 62%)
CMYK	cmyk(70.3%, 74.1%, 0%, 38%)
CIE-LAB	lab(25.74, 40.44, -62.13)
CIE-LCH	lch(25.74, 74.13, 303.06°)
OKLab	oklab(37.71% 0.0177 -0.1796)
OKLCH	oklch(37.71% 0.18 275.6)
XYZ	xyz(8.1348, 4.6581, 32.8115)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F299E #989E29

analogous

#295E9E #2F299E #6A299E

triadic

#2F299E #9E2F29 #299E2F

tetradic

#2F299E #9E295E #989E29 #299E6A

square

#2F299E #9E295E #989E29 #299E6A

split-complementary

#2F299E #9E6A29 #5E9E29

monochromatic

#12103D #211C6D #2F299E #4039CC #6F69D8

Accessibility & contrast

On white

10.87

#2F299E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2F299E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F299E

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F299E	#FFFFFF	#000000	##FFFFFF
##2F299E	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f299e;
/* rgb */ color: rgb(47, 41, 158);
/* oklch */ color: oklch(37.7% 0.180 275.6);

Tailwind

colors: {
  custom: {
    50: '#7864bc',
    500: '#2f299e',
    950: '#000000',
  },
}

SCSS

$custom: #2f299e;
$custom-light: #7864bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f299e",
  "rgb": {
    "r": 47,
    "g": 41,
    "b": 158
  },
  "hsl": {
    "h": 243.077,
    "s": 58.794,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37713,
    "c": 0.18044,
    "h": 275.6
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#2F299E

secondary

#BABF64

accent

#E246DA

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2F299E

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

Preview Lab → · Contrast checker → · Palette generator →