#2F238D#2F238D

#2F238D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.1% C 0.165 H 278.7°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F238D
RGB	rgb(47, 35, 141)
HSL	hsl(247, 60%, 35%)
HSV	hsv(247, 75%, 55%)
CMYK	cmyk(66.7%, 75.2%, 0%, 44.7%)
CIE-LAB	lab(22.75, 38.26, -56.57)
CIE-LCH	lch(22.75, 68.29, 304.07°)
OKLab	oklab(35.07% 0.025 -0.1633)
OKLCH	oklch(35.07% 0.165 278.7)
XYZ	xyz(6.5795, 3.7289, 25.5672)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F238D #818D23

analogous

#234C8D #2F238D #64238D

triadic

#2F238D #8D2F23 #238D2F

tetradic

#2F238D #8D234C #818D23 #238D64

square

#2F238D #8D234C #818D23 #238D64

split-complementary

#2F238D #8D6423 #4C8D23

monochromatic

#0E0B2B #1F175C #2F238D #3F2FBE #6455D5

Accessibility & contrast

On white

12.03

#2F238D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2F238D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F238D

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F238D	#FFFFFF	#000000	##FFFFFF
##2F238D	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2f238d;
/* rgb */ color: rgb(47, 35, 141);
/* oklch */ color: oklch(35.1% 0.165 278.7);

Tailwind

colors: {
  custom: {
    50: '#7560af',
    500: '#2f238d',
    950: '#000000',
  },
}

SCSS

$custom: #2f238d;
$custom-light: #7560af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f238d",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 141
  },
  "hsl": {
    "h": 246.792,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35069,
    "c": 0.16522,
    "h": 278.7
  },
  "luminance": 0.03729
}

Semantic roles & 50–950 ramp

primary

#2F238D

secondary

#ADB953

accent

#E344D1

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #2F238D

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

Preview Lab → · Contrast checker → · Palette generator →