#2A3DA3#2A3DA3

#2A3DA3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.165 H 269.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DA3
RGB	rgb(42, 61, 163)
HSL	hsl(231, 59%, 40%)
HSV	hsv(231, 74%, 64%)
CMYK	cmyk(74.2%, 62.6%, 0%, 36.1%)
CIE-LAB	lab(30.58, 29.08, -57.23)
CIE-LCH	lch(30.58, 64.19, 296.94°)
OKLab	oklab(41.29% -0.0015 -0.1653)
OKLCH	oklch(41.29% 0.165 269.5)
XYZ	xyz(9.2322, 6.4731, 35.4061)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DA3 #A3902A

analogous

#2A79A3 #2A3DA3 #542AA3

triadic

#2A3DA3 #A32A3D #3DA32A

tetradic

#2A3DA3 #A32A79 #A3902A #2AA354

square

#2A3DA3 #A32A79 #A3902A #2AA354

split-complementary

#2A3DA3 #A3542A #79A32A

monochromatic

#111942 #1D2B72 #2A3DA3 #3D54CD #6E7FDA

Accessibility & contrast

On white

9.15

#2A3DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2A3DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DA3

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DA3	#FFFFFF	#000000	##FFFFFF
##2A3DA3	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA6

Deuteranopia (green-blind)

#0042A1

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3da3;
/* rgb */ color: rgb(42, 61, 163);
/* oklch */ color: oklch(41.3% 0.165 269.5);

Tailwind

colors: {
  custom: {
    50: '#7672bf',
    500: '#2a3da3',
    950: '#000000',
  },
}

SCSS

$custom: #2a3da3;
$custom-light: #7672bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3da3",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 163
  },
  "hsl": {
    "h": 230.579,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41288,
    "c": 0.16533,
    "h": 269.5
  },
  "luminance": 0.06474
}

Semantic roles & 50–950 ramp

primary

#2A3DA3

secondary

#C0B368

accent

#CA46E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A3DA3

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

Preview Lab → · Contrast checker → · Palette generator →