#2A2D81#2A2D81

#2A2D81 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.138 H 275.1°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A2D81
RGB	rgb(42, 45, 129)
HSL	hsl(238, 51%, 34%)
HSV	hsv(238, 67%, 51%)
CMYK	cmyk(67.4%, 65.1%, 0%, 49.4%)
CIE-LAB	lab(23.52, 27.13, -47.82)
CIE-LCH	lch(23.52, 54.98, 299.57°)
OKLab	oklab(35.17% 0.0123 -0.1379)
OKLCH	oklch(35.17% 0.138 275.1)
XYZ	xyz(5.8544, 3.9535, 21.2192)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2D81 #817E2A

analogous

#2A5881 #2A2D81 #522A81

triadic

#2A2D81 #812A2D #2D812A

tetradic

#2A2D81 #812A58 #817E2A #2A8152

square

#2A2D81 #812A58 #817E2A #2A8152

split-complementary

#2A2D81 #81522A #58812A

monochromatic

#0C0D25 #1B1D53 #2A2D81 #393DAF #5C5FCA

Accessibility & contrast

On white

11.73

#2A2D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2A2D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2D81

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2D81	#FFFFFF	#000000	##FFFFFF
##2A2D81	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2a2d81;
/* rgb */ color: rgb(42, 45, 129);
/* oklch */ color: oklch(35.2% 0.138 275.1);

Tailwind

colors: {
  custom: {
    50: '#6f66a6',
    500: '#2a2d81',
    950: '#000000',
  },
}

SCSS

$custom: #2a2d81;
$custom-light: #6f66a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2d81",
  "rgb": {
    "r": 42,
    "g": 45,
    "b": 129
  },
  "hsl": {
    "h": 237.931,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3517,
    "c": 0.13841,
    "h": 275.1
  },
  "luminance": 0.03954
}

Semantic roles & 50–950 ramp

primary

#2A2D81

secondary

#AFAC57

accent

#D64DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A2D81

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

Preview Lab → · Contrast checker → · Palette generator →