#2A397F#2A397F

#2A397F is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.4% C 0.119 H 270.5°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A397F
RGB	rgb(42, 57, 127)
HSL	hsl(229, 50%, 33%)
HSV	hsv(229, 67%, 50%)
CMYK	cmyk(66.9%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(26.59, 18.20, -41.57)
CIE-LCH	lch(26.59, 45.38, 293.64°)
OKLab	oklab(37.41% 0.0011 -0.1193)
OKLCH	oklch(37.41% 0.119 270.5)
XYZ	xyz(6.2474, 4.9502, 20.7008)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A397F #7F702A

analogous

#2A637F #2A397F #452A7F

triadic

#2A397F #7F2A39 #397F2A

tetradic

#2A397F #7F2A63 #7F702A #2A7F45

square

#2A397F #7F2A63 #7F702A #2A7F45

split-complementary

#2A397F #7F452A #637F2A

monochromatic

#0C1023 #1B2451 #2A397F #394EAD #5B6EC9

Accessibility & contrast

On white

10.55

#2A397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2A397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A397F

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A397F	#FFFFFF	#000000	##FFFFFF
##2A397F	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4381

Deuteranopia (green-blind)

#003B7E

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a397f;
/* rgb */ color: rgb(42, 57, 127);
/* oklch */ color: oklch(37.4% 0.119 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e6fa5',
    500: '#2a397f',
    950: '#000000',
  },
}

SCSS

$custom: #2a397f;
$custom-light: #6e6fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a397f",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 229.412,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37405,
    "c": 0.11935,
    "h": 270.5
  },
  "luminance": 0.04951
}

Semantic roles & 50–950 ramp

primary

#2A397F

secondary

#AE9F57

accent

#C14EDA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A397F

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

Preview Lab → · Contrast checker → · Palette generator →