#2A3DA5#2A3DA5

#2A3DA5 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.168 H 269.5°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DA5
RGB	rgb(42, 61, 165)
HSL	hsl(231, 59%, 41%)
HSV	hsv(231, 75%, 65%)
CMYK	cmyk(74.5%, 63%, 0%, 35.3%)
CIE-LAB	lab(30.75, 29.83, -58.15)
CIE-LCH	lch(30.75, 65.35, 297.15°)
OKLab	oklab(41.47% -0.0015 -0.168)
OKLCH	oklch(41.47% 0.168 269.5)
XYZ	xyz(9.4128, 6.5453, 36.3573)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DA5 #A5922A

analogous

#2A7AA5 #2A3DA5 #552AA5

triadic

#2A3DA5 #A52A3D #3DA52A

tetradic

#2A3DA5 #A52A7A #A5922A #2AA555

square

#2A3DA5 #A52A7A #A5922A #2AA555

split-complementary

#2A3DA5 #A5552A #7AA52A

monochromatic

#111943 #1E2B74 #2A3DA5 #3E54CE #6F80DA

Accessibility & contrast

On white

9.09

#2A3DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2A3DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DA5

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DA5	#FFFFFF	#000000	##FFFFFF
##2A3DA5	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0043A3

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3da5;
/* rgb */ color: rgb(42, 61, 165);
/* oklch */ color: oklch(41.5% 0.168 269.5);

Tailwind

colors: {
  custom: {
    50: '#7672c1',
    500: '#2a3da5',
    950: '#000000',
  },
}

SCSS

$custom: #2a3da5;
$custom-light: #7672c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3da5",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 165
  },
  "hsl": {
    "h": 230.732,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41469,
    "c": 0.16803,
    "h": 269.5
  },
  "luminance": 0.06546
}

Semantic roles & 50–950 ramp

primary

#2A3DA5

secondary

#C1B469

accent

#CA45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A3DA5

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

Preview Lab → · Contrast checker → · Palette generator →