#2A277F#2A277F

#2A277F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.143 H 277.0°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#2A277F
RGB	rgb(42, 39, 127)
HSL	hsl(242, 53%, 33%)
HSV	hsv(242, 69%, 50%)
CMYK	cmyk(66.9%, 69.3%, 0%, 50.2%)
CIE-LAB	lab(21.85, 30.35, -49.28)
CIE-LCH	lch(21.85, 57.87, 301.62°)
OKLab	oklab(33.9% 0.0176 -0.1422)
OKLCH	oklch(33.9% 0.143 277)
XYZ	xyz(5.5099, 3.4751, 20.4550)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A277F #7C7F27

analogous

#27507F #2A277F #56277F

triadic

#2A277F #7F2A27 #277F2A

tetradic

#2A277F #7F2750 #7C7F27 #277F56

square

#2A277F #7F2750 #7C7F27 #277F56

split-complementary

#2A277F #7F5627 #507F27

monochromatic

#0B0A21 #1B1950 #2A277F #3935AE #5955CB

Accessibility & contrast

On white

12.39

#2A277F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2A277F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A277F

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A277F	#FFFFFF	#000000	##FFFFFF
##2A277F	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a277f;
/* rgb */ color: rgb(42, 39, 127);
/* oklch */ color: oklch(33.9% 0.143 277.0);

Tailwind

colors: {
  custom: {
    50: '#6f62a5',
    500: '#2a277f',
    950: '#000000',
  },
}

SCSS

$custom: #2a277f;
$custom-light: #6f62a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a277f",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 127
  },
  "hsl": {
    "h": 242.045,
    "s": 53.012,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33902,
    "c": 0.14324,
    "h": 277
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#2A277F

secondary

#ADB052

accent

#DC4BD7

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A277F

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

Preview Lab → · Contrast checker → · Palette generator →