#2F238B#2F238B

#2F238B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.163 H 279.0°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F238B
RGB	rgb(47, 35, 139)
HSL	hsl(247, 60%, 34%)
HSV	hsv(247, 75%, 55%)
CMYK	cmyk(66.2%, 74.8%, 0%, 45.5%)
CIE-LAB	lab(22.55, 37.59, -55.66)
CIE-LCH	lch(22.55, 67.17, 304.04°)
OKLab	oklab(34.86% 0.0254 -0.1607)
OKLCH	oklch(34.86% 0.163 279)
XYZ	xyz(6.4320, 3.6700, 24.7905)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F238B #7F8B23

analogous

#234B8B #2F238B #63238B

triadic

#2F238B #8B2F23 #238B2F

tetradic

#2F238B #8B234B #7F8B23 #238B63

square

#2F238B #8B234B #7F8B23 #238B63

split-complementary

#2F238B #8B6323 #4B8B23

monochromatic

#0E0A29 #1E175A #2F238B #402FBC #6354D4

Accessibility & contrast

On white

12.11

#2F238B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2F238B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F238B

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F238B	#FFFFFF	#000000	##FFFFFF
##2F238B	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2f238b;
/* rgb */ color: rgb(47, 35, 139);
/* oklch */ color: oklch(34.9% 0.163 279.0);

Tailwind

colors: {
  custom: {
    50: '#7460ae',
    500: '#2f238b',
    950: '#000000',
  },
}

SCSS

$custom: #2f238b;
$custom-light: #7460ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f238b",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 139
  },
  "hsl": {
    "h": 246.923,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34862,
    "c": 0.16266,
    "h": 279
  },
  "luminance": 0.0367
}

Semantic roles & 50–950 ramp

primary

#2F238B

secondary

#ACB852

accent

#E345D1

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2F238B

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

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