#2B277F#2B277F

#2B277F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.143 H 277.6°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#2B277F
RGB	rgb(43, 39, 127)
HSL	hsl(243, 53%, 33%)
HSV	hsv(243, 69%, 50%)
CMYK	cmyk(66.1%, 69.3%, 0%, 50.2%)
CIE-LAB	lab(21.93, 30.50, -49.15)
CIE-LCH	lch(21.93, 57.84, 301.82°)
OKLab	oklab(33.98% 0.0189 -0.1417)
OKLCH	oklch(33.98% 0.143 277.6)
XYZ	xyz(5.5513, 3.4965, 20.4569)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B277F #7B7F27

analogous

#274F7F #2B277F #57277F

triadic

#2B277F #7F2B27 #277F2B

tetradic

#2B277F #7F274F #7B7F27 #277F57

square

#2B277F #7F274F #7B7F27 #277F57

split-complementary

#2B277F #7F5727 #4F7F27

monochromatic

#0B0A21 #1B1950 #2B277F #3B35AE #5B55CB

Accessibility & contrast

On white

12.36

#2B277F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2B277F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B277F

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B277F	#FFFFFF	#000000	##FFFFFF
##2B277F	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b277f;
/* rgb */ color: rgb(43, 39, 127);
/* oklch */ color: oklch(34.0% 0.143 277.6);

Tailwind

colors: {
  custom: {
    50: '#7062a5',
    500: '#2b277f',
    950: '#000000',
  },
}

SCSS

$custom: #2b277f;
$custom-light: #7062a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b277f",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 127
  },
  "hsl": {
    "h": 242.727,
    "s": 53.012,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33978,
    "c": 0.143,
    "h": 277.6
  },
  "luminance": 0.03497
}

Semantic roles & 50–950 ramp

primary

#2B277F

secondary

#ABB052

accent

#DC4BD6

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B277F

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

Preview Lab → · Contrast checker → · Palette generator →