#2A387C#2A387C

#2A387C is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.116 H 270.9°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#2A387C
RGB	rgb(42, 56, 124)
HSL	hsl(230, 49%, 33%)
HSV	hsv(230, 66%, 49%)
CMYK	cmyk(66.1%, 54.8%, 0%, 51.4%)
CIE-LAB	lab(26.08, 17.75, -40.50)
CIE-LCH	lch(26.08, 44.22, 293.67°)
OKLab	oklab(36.95% 0.0019 -0.1162)
OKLCH	oklch(36.95% 0.116 270.9)
XYZ	xyz(6.0059, 4.7753, 19.6701)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A387C #7C6E2A

analogous

#2A617C #2A387C #452A7C

triadic

#2A387C #7C2A38 #387C2A

tetradic

#2A387C #7C2A61 #7C6E2A #2A7C45

square

#2A387C #7C2A61 #7C6E2A #2A7C45

split-complementary

#2A387C #7C452A #617C2A

monochromatic

#0B0F21 #1B234E #2A387C #394DAA #596CC7

Accessibility & contrast

On white

10.74

#2A387C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2A387C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A387C

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A387C	#FFFFFF	#000000	##FFFFFF
##2A387C	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D427E

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a387c;
/* rgb */ color: rgb(42, 56, 124);
/* oklch */ color: oklch(37.0% 0.116 270.9);

Tailwind

colors: {
  custom: {
    50: '#6d6ea2',
    500: '#2a387c',
    950: '#000000',
  },
}

SCSS

$custom: #2a387c;
$custom-light: #6d6ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a387c",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 124
  },
  "hsl": {
    "h": 229.756,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36951,
    "c": 0.11623,
    "h": 270.9
  },
  "luminance": 0.04776
}

Semantic roles & 50–950 ramp

primary

#2A387C

secondary

#AD9E55

accent

#C14FD9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A387C

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

Preview Lab → · Contrast checker → · Palette generator →