#2A3863#2A3863

#2A3863 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.077 H 268.6°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#2A3863
RGB	rgb(42, 56, 99)
HSL	hsl(225, 40%, 28%)
HSV	hsv(225, 58%, 39%)
CMYK	cmyk(57.6%, 43.4%, 0%, 61.2%)
CIE-LAB	lab(24.39, 8.39, -27.24)
CIE-LCH	lch(24.39, 28.50, 287.12°)
OKLab	oklab(35.12% -0.0019 -0.0772)
OKLCH	oklch(35.12% 0.077 268.6)
XYZ	xyz(4.6204, 4.2211, 12.3732)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3863 #63552A

analogous

#2A5563 #2A3863 #382A63

triadic

#2A3863 #632A38 #38632A

tetradic

#2A3863 #632A55 #63552A #2A6338

square

#2A3863 #632A55 #63552A #2A6338

split-complementary

#2A3863 #63382A #55632A

monochromatic

#090C15 #182038 #2A3863 #3C508E #526AB6

Accessibility & contrast

On white

11.39

#2A3863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2A3863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3863

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3863	#FFFFFF	#000000	##FFFFFF
##2A3863	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263D65

Deuteranopia (green-blind)

#203862

Tritanopia (blue-blind)

#0C4148

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a3863;
/* rgb */ color: rgb(42, 56, 99);
/* oklch */ color: oklch(35.1% 0.077 268.6);

Tailwind

colors: {
  custom: {
    50: '#686e8f',
    500: '#2a3863',
    950: '#000000',
  },
}

SCSS

$custom: #2a3863;
$custom-light: #686e8f;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3863",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 99
  },
  "hsl": {
    "h": 225.263,
    "s": 40.426,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35115,
    "c": 0.07727,
    "h": 268.6
  },
  "luminance": 0.04221
}

Semantic roles & 50–950 ramp

primary

#2A3863

secondary

#958553

accent

#B358D0

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #2A3863

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

Preview Lab → · Contrast checker → · Palette generator →