#2A397B#2A397B

#2A397B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.113 H 270.4°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#2A397B
RGB	rgb(42, 57, 123)
HSL	hsl(229, 49%, 32%)
HSV	hsv(229, 66%, 48%)
CMYK	cmyk(65.9%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(26.30, 16.68, -39.53)
CIE-LCH	lch(26.30, 42.90, 292.88°)
OKLab	oklab(37.09% 0.0007 -0.1133)
OKLCH	oklch(37.09% 0.113 270.4)
XYZ	xyz(5.9919, 4.8480, 19.3550)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A397B #7B6C2A

analogous

#2A627B #2A397B #442A7B

triadic

#2A397B #7B2A39 #397B2A

tetradic

#2A397B #7B2A62 #7B6C2A #2A7B44

square

#2A397B #7B2A62 #7B6C2A #2A7B44

split-complementary

#2A397B #7B442A #627B2A

monochromatic

#0B0F20 #1A244D #2A397B #3A4EA9 #596DC6

Accessibility & contrast

On white

10.66

#2A397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2A397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A397B

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A397B	#FFFFFF	#000000	##FFFFFF
##2A397B	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12427D

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a397b;
/* rgb */ color: rgb(42, 57, 123);
/* oklch */ color: oklch(37.1% 0.113 270.4);

Tailwind

colors: {
  custom: {
    50: '#6d6fa2',
    500: '#2a397b',
    950: '#000000',
  },
}

SCSS

$custom: #2a397b;
$custom-light: #6d6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a397b",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 228.889,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37088,
    "c": 0.11334,
    "h": 270.4
  },
  "luminance": 0.04849
}

Semantic roles & 50–950 ramp

primary

#2A397B

secondary

#AC9C55

accent

#BF4FD9

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A397B

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

Preview Lab → · Contrast checker → · Palette generator →