#2A3F7D#2A3F7D

#2A3F7D is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.108 H 267.2°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F7D
RGB	rgb(42, 63, 125)
HSL	hsl(225, 50%, 33%)
HSV	hsv(225, 66%, 49%)
CMYK	cmyk(66.4%, 49.6%, 0%, 51%)
CIE-LAB	lab(28.19, 13.30, -37.74)
CIE-LCH	lch(28.19, 40.02, 289.41°)
OKLab	oklab(38.57% -0.0054 -0.108)
OKLCH	oklch(38.57% 0.108 267.2)
XYZ	xyz(6.4328, 5.5273, 20.1259)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F7D #7D682A

analogous

#2A697D #2A3F7D #3E2A7D

triadic

#2A3F7D #7D2A3F #3F7D2A

tetradic

#2A3F7D #7D2A69 #7D682A #2A7D3E

square

#2A3F7D #7D2A69 #7D682A #2A7D3E

split-complementary

#2A3F7D #7D3E2A #697D2A

monochromatic

#0B1121 #1B284F #2A3F7D #3956AB #5A76C8

Accessibility & contrast

On white

9.97

#2A3F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A3F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F7D

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F7D	#FFFFFF	#000000	##FFFFFF
##2A3F7D	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F467F

Deuteranopia (green-blind)

#0E3F7C

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3f7d;
/* rgb */ color: rgb(42, 63, 125);
/* oklch */ color: oklch(38.6% 0.108 267.2);

Tailwind

colors: {
  custom: {
    50: '#6d73a3',
    500: '#2a3f7d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f7d;
$custom-light: #6d73a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f7d",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 125
  },
  "hsl": {
    "h": 224.819,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38568,
    "c": 0.10814,
    "h": 267.2
  },
  "luminance": 0.05528
}

Semantic roles & 50–950 ramp

primary

#2A3F7D

secondary

#AD9756

accent

#B64FD9

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2A3F7D

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

Preview Lab → · Contrast checker → · Palette generator →