#2A3A9E#2A3A9E

#2A3A9E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.162 H 270.3°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A9E
RGB	rgb(42, 58, 158)
HSL	hsl(232, 58%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(73.4%, 63.3%, 0%, 38%)
CIE-LAB	lab(29.38, 29.20, -56.16)
CIE-LCH	lch(29.38, 63.30, 297.47°)
OKLab	oklab(40.27% 0.0008 -0.1622)
OKLCH	oklch(40.27% 0.162 270.3)
XYZ	xyz(8.6373, 5.9861, 33.0414)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A9E #9E8E2A

analogous

#2A749E #2A3A9E #542A9E

triadic

#2A3A9E #9E2A3A #3A9E2A

tetradic

#2A3A9E #9E2A74 #9E8E2A #2A9E54

square

#2A3A9E #9E2A74 #9E8E2A #2A9E54

split-complementary

#2A3A9E #9E542A #749E2A

monochromatic

#10173D #1D286E #2A3A9E #3A4ECB #6B7AD8

Accessibility & contrast

On white

9.56

#2A3A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2A3A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A9E

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A9E	#FFFFFF	#000000	##FFFFFF
##2A3A9E	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3a9e;
/* rgb */ color: rgb(42, 58, 158);
/* oklch */ color: oklch(40.3% 0.162 270.3);

Tailwind

colors: {
  custom: {
    50: '#7570bc',
    500: '#2a3a9e',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a9e;
$custom-light: #7570bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a9e",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 158
  },
  "hsl": {
    "h": 231.724,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40269,
    "c": 0.16222,
    "h": 270.3
  },
  "luminance": 0.05987
}

Semantic roles & 50–950 ramp

primary

#2A3A9E

secondary

#BEB266

accent

#CC47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3A9E

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

Preview Lab → · Contrast checker → · Palette generator →