#2A3A7D#2A3A7D

#2A3A7D is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.115 H 269.9°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A7D
RGB	rgb(42, 58, 125)
HSL	hsl(228, 50%, 33%)
HSV	hsv(228, 66%, 49%)
CMYK	cmyk(66.4%, 53.6%, 0%, 51%)
CIE-LAB	lab(26.73, 16.75, -40.09)
CIE-LCH	lch(26.73, 43.45, 292.67°)
OKLab	oklab(37.46% -0.0001 -0.115)
OKLCH	oklch(37.46% 0.115 269.9)
XYZ	xyz(6.1683, 4.9985, 20.0378)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A7D #7D6D2A

analogous

#2A637D #2A3A7D #442A7D

triadic

#2A3A7D #7D2A3A #3A7D2A

tetradic

#2A3A7D #7D2A63 #7D6D2A #2A7D44

square

#2A3A7D #7D2A63 #7D6D2A #2A7D44

split-complementary

#2A3A7D #7D442A #637D2A

monochromatic

#0B0F21 #1B254F #2A3A7D #394FAB #5A6FC8

Accessibility & contrast

On white

10.50

#2A3A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2A3A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A7D

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A7D	#FFFFFF	#000000	##FFFFFF
##2A3A7D	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12437F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3a7d;
/* rgb */ color: rgb(42, 58, 125);
/* oklch */ color: oklch(37.5% 0.115 269.9);

Tailwind

colors: {
  custom: {
    50: '#6d6fa3',
    500: '#2a3a7d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a7d;
$custom-light: #6d6fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a7d",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 125
  },
  "hsl": {
    "h": 228.434,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37462,
    "c": 0.11498,
    "h": 269.9
  },
  "luminance": 0.04999
}

Semantic roles & 50–950 ramp

primary

#2A3A7D

secondary

#AD9C56

accent

#BE4FD9

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A3A7D

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

Preview Lab → · Contrast checker → · Palette generator →