#2A397D#2A397D

#2A397D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.116 H 270.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#2A397D
RGB	rgb(42, 57, 125)
HSL	hsl(229, 50%, 33%)
HSV	hsv(229, 66%, 49%)
CMYK	cmyk(66.4%, 54.4%, 0%, 51%)
CIE-LAB	lab(26.44, 17.44, -40.55)
CIE-LCH	lch(26.44, 44.14, 293.27°)
OKLab	oklab(37.25% 0.0009 -0.1163)
OKLCH	oklch(37.25% 0.116 270.4)
XYZ	xyz(6.1184, 4.8986, 20.0212)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A397D #7D6E2A

analogous

#2A627D #2A397D #452A7D

triadic

#2A397D #7D2A39 #397D2A

tetradic

#2A397D #7D2A62 #7D6E2A #2A7D45

square

#2A397D #7D2A62 #7D6E2A #2A7D45

split-complementary

#2A397D #7D452A #627D2A

monochromatic

#0B0F21 #1B244F #2A397D #394EAB #5A6EC8

Accessibility & contrast

On white

10.61

#2A397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A397D

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A397D	#FFFFFF	#000000	##FFFFFF
##2A397D	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E427F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a397d;
/* rgb */ color: rgb(42, 57, 125);
/* oklch */ color: oklch(37.2% 0.116 270.4);

Tailwind

colors: {
  custom: {
    50: '#6d6fa3',
    500: '#2a397d',
    950: '#000000',
  },
}

SCSS

$custom: #2a397d;
$custom-light: #6d6fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a397d",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 229.157,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37246,
    "c": 0.11635,
    "h": 270.4
  },
  "luminance": 0.04899
}

Semantic roles & 50–950 ramp

primary

#2A397D

secondary

#AD9D56

accent

#C04FD9

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A397D

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

Preview Lab → · Contrast checker → · Palette generator →