#2A397E#2A397E

#2A397E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.118 H 270.5°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#2A397E
RGB	rgb(42, 57, 126)
HSL	hsl(229, 50%, 33%)
HSV	hsv(229, 67%, 49%)
CMYK	cmyk(66.7%, 54.8%, 0%, 50.6%)
CIE-LAB	lab(26.52, 17.82, -41.06)
CIE-LCH	lch(26.52, 44.76, 293.46°)
OKLab	oklab(37.33% 0.001 -0.1178)
OKLCH	oklch(37.33% 0.118 270.5)
XYZ	xyz(6.1826, 4.9243, 20.3593)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A397E #7E6F2A

analogous

#2A637E #2A397E #452A7E

triadic

#2A397E #7E2A39 #397E2A

tetradic

#2A397E #7E2A63 #7E6F2A #2A7E45

square

#2A397E #7E2A63 #7E6F2A #2A7E45

split-complementary

#2A397E #7E452A #637E2A

monochromatic

#0B0F22 #1B2450 #2A397E #394EAC #5A6EC8

Accessibility & contrast

On white

10.58

#2A397E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2A397E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A397E

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A397E	#FFFFFF	#000000	##FFFFFF
##2A397E	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4380

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a397e;
/* rgb */ color: rgb(42, 57, 126);
/* oklch */ color: oklch(37.3% 0.118 270.5);

Tailwind

colors: {
  custom: {
    50: '#6d6fa4',
    500: '#2a397e',
    950: '#000000',
  },
}

SCSS

$custom: #2a397e;
$custom-light: #6d6fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a397e",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 126
  },
  "hsl": {
    "h": 229.286,
    "s": 50,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37325,
    "c": 0.11785,
    "h": 270.5
  },
  "luminance": 0.04925
}

Semantic roles & 50–950 ramp

primary

#2A397E

secondary

#AE9E56

accent

#C14EDA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A397E

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

Preview Lab → · Contrast checker → · Palette generator →