#2F289F#2F289F

#2F289F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.183 H 275.7°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F289F
RGB	rgb(47, 40, 159)
HSL	hsl(244, 60%, 39%)
HSV	hsv(244, 75%, 62%)
CMYK	cmyk(70.4%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(25.64, 41.35, -62.90)
CIE-LCH	lch(25.64, 75.27, 303.32°)
OKLab	oklab(37.67% 0.0181 -0.1818)
OKLCH	oklch(37.67% 0.183 275.7)
XYZ	xyz(8.1870, 4.6244, 33.2553)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F289F #989F28

analogous

#285D9F #2F289F #6B289F

triadic

#2F289F #9F2F28 #289F2F

tetradic

#2F289F #9F285D #989F28 #289F6B

square

#2F289F #9F285D #989F28 #289F6B

split-complementary

#2F289F #9F6B28 #5D9F28

monochromatic

#120F3D #211C6E #2F289F #4037CD #6F68D9

Accessibility & contrast

On white

10.91

#2F289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2F289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F289F

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F289F	#FFFFFF	#000000	##FFFFFF
##2F289F	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f289f;
/* rgb */ color: rgb(47, 40, 159);
/* oklch */ color: oklch(37.7% 0.183 275.7);

Tailwind

colors: {
  custom: {
    50: '#7864bd',
    500: '#2f289f',
    950: '#000000',
  },
}

SCSS

$custom: #2f289f;
$custom-light: #7864bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f289f",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 243.529,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37672,
    "c": 0.18272,
    "h": 275.7
  },
  "luminance": 0.04625
}

Semantic roles & 50–950 ramp

primary

#2F289F

secondary

#BABF64

accent

#E345DA

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2F289F

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

Preview Lab → · Contrast checker → · Palette generator →