#2B277E#2B277E

#2B277E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.142 H 277.7°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B277E
RGB	rgb(43, 39, 126)
HSL	hsl(243, 53%, 32%)
HSV	hsv(243, 69%, 49%)
CMYK	cmyk(65.9%, 69%, 0%, 50.6%)
CIE-LAB	lab(21.84, 30.14, -48.67)
CIE-LCH	lch(21.84, 57.25, 301.77°)
OKLab	oklab(33.88% 0.019 -0.1403)
OKLCH	oklch(33.88% 0.142 277.7)
XYZ	xyz(5.4865, 3.4705, 20.1154)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B277E #7A7E27

analogous

#274E7E #2B277E #57277E

triadic

#2B277E #7E2B27 #277E2B

tetradic

#2B277E #7E274E #7A7E27 #277E57

square

#2B277E #7E274E #7A7E27 #277E57

split-complementary

#2B277E #7E5727 #4E7E27

monochromatic

#0B0A21 #1B194F #2B277E #3B35AD #5A55CA

Accessibility & contrast

On white

12.40

#2B277E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2B277E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B277E

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B277E	#FFFFFF	#000000	##FFFFFF
##2B277E	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#00317C

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b277e;
/* rgb */ color: rgb(43, 39, 126);
/* oklch */ color: oklch(33.9% 0.142 277.7);

Tailwind

colors: {
  custom: {
    50: '#6f62a4',
    500: '#2b277e',
    950: '#000000',
  },
}

SCSS

$custom: #2b277e;
$custom-light: #6f62a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b277e",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 126
  },
  "hsl": {
    "h": 242.759,
    "s": 52.727,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33881,
    "c": 0.14163,
    "h": 277.7
  },
  "luminance": 0.03471
}

Semantic roles & 50–950 ramp

primary

#2B277E

secondary

#ABAF52

accent

#DC4CD5

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B277E

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

Preview Lab → · Contrast checker → · Palette generator →