#2B2F7B#2B2F7B

#2B2F7B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.127 H 275.4°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B2F7B
RGB	rgb(43, 47, 123)
HSL	hsl(237, 48%, 33%)
HSV	hsv(237, 65%, 48%)
CMYK	cmyk(65%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(23.59, 23.75, -43.91)
CIE-LCH	lch(23.59, 49.92, 298.41°)
OKLab	oklab(35.08% 0.012 -0.1263)
OKLCH	oklch(35.08% 0.127 275.4)
XYZ	xyz(5.5868, 3.9762, 19.2081)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2F7B #7B772B

analogous

#2B577B #2B2F7B #4F2B7B

triadic

#2B2F7B #7B2B2F #2F7B2B

tetradic

#2B2F7B #7B2B57 #7B772B #2B7B4F

square

#2B2F7B #7B2B57 #7B772B #2B7B4F

split-complementary

#2B2F7B #7B4F2B #577B2B

monochromatic

#0B0C20 #1B1E4E #2B2F7B #3B40A8 #5B60C6

Accessibility & contrast

On white

11.70

#2B2F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2B2F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2F7B

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2F7B	#FFFFFF	#000000	##FFFFFF
##2B2F7B	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7E

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b2f7b;
/* rgb */ color: rgb(43, 47, 123);
/* oklch */ color: oklch(35.1% 0.127 275.4);

Tailwind

colors: {
  custom: {
    50: '#6e67a2',
    500: '#2b2f7b',
    950: '#000000',
  },
}

SCSS

$custom: #2b2f7b;
$custom-light: #6e67a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2f7b",
  "rgb": {
    "r": 43,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 237,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35083,
    "c": 0.12689,
    "h": 275.4
  },
  "luminance": 0.03977
}

Semantic roles & 50–950 ramp

primary

#2B2F7B

secondary

#ABA756

accent

#D150D8

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2B2F7B

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

Preview Lab → · Contrast checker → · Palette generator →