#2A387B#2A387B

#2A387B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.9% C 0.115 H 270.9°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A387B
RGB	rgb(42, 56, 123)
HSL	hsl(230, 49%, 32%)
HSV	hsv(230, 66%, 48%)
CMYK	cmyk(65.9%, 54.5%, 0%, 51.8%)
CIE-LAB	lab(26.01, 17.37, -39.99)
CIE-LCH	lch(26.01, 43.60, 293.48°)
OKLab	oklab(36.87% 0.0018 -0.1147)
OKLCH	oklch(36.87% 0.115 270.9)
XYZ	xyz(5.9430, 4.7501, 19.3387)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A387B #7B6D2A

analogous

#2A607B #2A387B #452A7B

triadic

#2A387B #7B2A38 #387B2A

tetradic

#2A387B #7B2A60 #7B6D2A #2A7B45

square

#2A387B #7B2A60 #7B6D2A #2A7B45

split-complementary

#2A387B #7B452A #607B2A

monochromatic

#0B0E20 #1A234D #2A387B #3A4DA9 #596CC6

Accessibility & contrast

On white

10.77

#2A387B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A387B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A387B

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A387B	#FFFFFF	#000000	##FFFFFF
##2A387B	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E417D

Deuteranopia (green-blind)

#003A7A

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a387b;
/* rgb */ color: rgb(42, 56, 123);
/* oklch */ color: oklch(36.9% 0.115 270.9);

Tailwind

colors: {
  custom: {
    50: '#6d6ea2',
    500: '#2a387b',
    950: '#000000',
  },
}

SCSS

$custom: #2a387b;
$custom-light: #6d6ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a387b",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 229.63,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36872,
    "c": 0.11473,
    "h": 270.9
  },
  "luminance": 0.04751
}

Semantic roles & 50–950 ramp

primary

#2A387B

secondary

#AC9D55

accent

#C14FD9

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A387B

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

Preview Lab → · Contrast checker → · Palette generator →