#2F279C#2F279C

#2F279C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.180 H 276.1°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F279C
RGB	rgb(47, 39, 156)
HSL	hsl(244, 60%, 38%)
HSV	hsv(244, 75%, 61%)
CMYK	cmyk(69.9%, 75%, 0%, 38.8%)
CIE-LAB	lab(25.12, 40.92, -61.92)
CIE-LCH	lch(25.12, 74.22, 303.46°)
OKLab	oklab(37.21% 0.0193 -0.179)
OKLCH	oklch(37.21% 0.18 276.1)
XYZ	xyz(7.8966, 4.4550, 31.8898)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F279C #949C27

analogous

#27599C #2F279C #6A279C

triadic

#2F279C #9C2F27 #279C2F

tetradic

#2F279C #9C2759 #949C27 #279C6A

square

#2F279C #9C2759 #949C27 #279C6A

split-complementary

#2F279C #9C6A27 #599C27

monochromatic

#110F3A #201B6B #2F279C #3E34CC #6D65D8

Accessibility & contrast

On white

11.10

#2F279C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2F279C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F279C

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F279C	#FFFFFF	#000000	##FFFFFF
##2F279C	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f279c;
/* rgb */ color: rgb(47, 39, 156);
/* oklch */ color: oklch(37.2% 0.180 276.1);

Tailwind

colors: {
  custom: {
    50: '#7863ba',
    500: '#2f279c',
    950: '#000000',
  },
}

SCSS

$custom: #2f279c;
$custom-light: #7863ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f279c",
  "rgb": {
    "r": 47,
    "g": 39,
    "b": 156
  },
  "hsl": {
    "h": 244.103,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37214,
    "c": 0.17999,
    "h": 276.1
  },
  "luminance": 0.04456
}

Semantic roles & 50–950 ramp

primary

#2F279C

secondary

#B8BE61

accent

#E345D8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2F279C

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

Preview Lab → · Contrast checker → · Palette generator →