#2A3DA8#2A3DA8

#2A3DA8 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.172 H 269.5°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DA8
RGB	rgb(42, 61, 168)
HSL	hsl(231, 60%, 41%)
HSV	hsv(231, 75%, 66%)
CMYK	cmyk(75%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(31.01, 30.94, -59.53)
CIE-LCH	lch(31.01, 67.09, 297.46°)
OKLab	oklab(41.74% -0.0016 -0.1721)
OKLCH	oklch(41.74% 0.172 269.5)
XYZ	xyz(9.6890, 6.6558, 37.8123)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DA8 #A8952A

analogous

#2A7CA8 #2A3DA8 #562AA8

triadic

#2A3DA8 #A82A3D #3DA82A

tetradic

#2A3DA8 #A82A7C #A8952A #2AA856

square

#2A3DA8 #A82A7C #A8952A #2AA856

split-complementary

#2A3DA8 #A8562A #7CA82A

monochromatic

#121946 #1E2B77 #2A3DA8 #4056CF #7181DB

Accessibility & contrast

On white

9.01

#2A3DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2A3DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DA8

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DA8	#FFFFFF	#000000	##FFFFFF
##2A3DA8	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0043A6

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a3da8;
/* rgb */ color: rgb(42, 61, 168);
/* oklch */ color: oklch(41.7% 0.172 269.5);

Tailwind

colors: {
  custom: {
    50: '#7772c3',
    500: '#2a3da8',
    950: '#000000',
  },
}

SCSS

$custom: #2a3da8;
$custom-light: #7772c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3da8",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 230.952,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41743,
    "c": 0.17207,
    "h": 269.5
  },
  "luminance": 0.06657
}

Semantic roles & 50–950 ramp

primary

#2A3DA8

secondary

#C3B56B

accent

#CB45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3DA8

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

Preview Lab → · Contrast checker → · Palette generator →