#2A39A2#2A39A2

#2A39A2 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.169 H 270.4°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2A39A2
RGB	rgb(42, 57, 162)
HSL	hsl(233, 59%, 40%)
HSV	hsv(233, 74%, 64%)
CMYK	cmyk(74.1%, 64.8%, 0%, 36.5%)
CIE-LAB	lab(29.48, 31.34, -58.42)
CIE-LCH	lch(29.48, 66.29, 298.21°)
OKLab	oklab(40.45% 0.0013 -0.1688)
OKLCH	oklch(40.45% 0.169 270.4)
XYZ	xyz(8.9373, 6.0262, 34.8676)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A39A2 #A2932A

analogous

#2A75A2 #2A39A2 #572AA2

triadic

#2A39A2 #A22A39 #39A22A

tetradic

#2A39A2 #A22A75 #A2932A #2AA257

square

#2A39A2 #A22A75 #A2932A #2AA257

split-complementary

#2A39A2 #A2572A #75A22A

monochromatic

#111741 #1D2871 #2A39A2 #3D4FCD #6D7BD9

Accessibility & contrast

On white

9.52

#2A39A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2A39A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A39A2

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A39A2	#FFFFFF	#000000	##FFFFFF
##2A39A2	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA5

Deuteranopia (green-blind)

#0040A0

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a39a2;
/* rgb */ color: rgb(42, 57, 162);
/* oklch */ color: oklch(40.5% 0.169 270.4);

Tailwind

colors: {
  custom: {
    50: '#766fbe',
    500: '#2a39a2',
    950: '#000000',
  },
}

SCSS

$custom: #2a39a2;
$custom-light: #766fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2a39a2",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 162
  },
  "hsl": {
    "h": 232.5,
    "s": 58.824,
    "l": 40
  },
  "oklch": {
    "l": 0.40452,
    "c": 0.16885,
    "h": 270.4
  },
  "luminance": 0.06027
}

Semantic roles & 50–950 ramp

primary

#2A39A2

secondary

#C0B568

accent

#CE46E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A39A2

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

Preview Lab → · Contrast checker → · Palette generator →