#2A277D#2A277D

#2A277D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.140 H 277.3°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#2A277D
RGB	rgb(42, 39, 125)
HSL	hsl(242, 52%, 32%)
HSV	hsv(242, 69%, 49%)
CMYK	cmyk(66.4%, 68.8%, 0%, 51%)
CIE-LAB	lab(21.67, 29.63, -48.32)
CIE-LCH	lch(21.67, 56.68, 301.52°)
OKLab	oklab(33.71% 0.0178 -0.1393)
OKLCH	oklch(33.71% 0.14 277.3)
XYZ	xyz(5.3808, 3.4235, 19.7753)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A277D #7A7D27

analogous

#274F7D #2A277D #55277D

triadic

#2A277D #7D2A27 #277D2A

tetradic

#2A277D #7D274F #7A7D27 #277D55

square

#2A277D #7D274F #7A7D27 #277D55

split-complementary

#2A277D #7D5527 #4F7D27

monochromatic

#0B0A20 #1A184E #2A277D #3A36AC #5955CA

Accessibility & contrast

On white

12.46

#2A277D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2A277D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A277D

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A277D	#FFFFFF	#000000	##FFFFFF
##2A277D	1.00	12.46	1.68	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a277d;
/* rgb */ color: rgb(42, 39, 125);
/* oklch */ color: oklch(33.7% 0.140 277.3);

Tailwind

colors: {
  custom: {
    50: '#6f61a3',
    500: '#2a277d',
    950: '#000000',
  },
}

SCSS

$custom: #2a277d;
$custom-light: #6f61a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a277d",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 125
  },
  "hsl": {
    "h": 242.093,
    "s": 52.439,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33708,
    "c": 0.14048,
    "h": 277.3
  },
  "luminance": 0.03424
}

Semantic roles & 50–950 ramp

primary

#2A277D

secondary

#ABAF51

accent

#DC4CD7

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A277D

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

Preview Lab → · Contrast checker → · Palette generator →