#2A317F#2A317F

#2A317F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.130 H 273.9°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#2A317F
RGB	rgb(42, 49, 127)
HSL	hsl(235, 50%, 33%)
HSV	hsv(235, 67%, 50%)
CMYK	cmyk(66.9%, 61.4%, 0%, 50.2%)
CIE-LAB	lab(24.39, 23.69, -45.14)
CIE-LCH	lch(24.39, 50.98, 297.69°)
OKLab	oklab(35.76% 0.0088 -0.13)
OKLCH	oklch(35.76% 0.13 273.9)
XYZ	xyz(5.8827, 4.2207, 20.5792)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A317F #7F782A

analogous

#2A5B7F #2A317F #4D2A7F

triadic

#2A317F #7F2A31 #317F2A

tetradic

#2A317F #7F2A5B #7F782A #2A7F4D

square

#2A317F #7F2A5B #7F782A #2A7F4D

split-complementary

#2A317F #7F4D2A #5B7F2A

monochromatic

#0C0E23 #1B1F51 #2A317F #3943AD #5B64C9

Accessibility & contrast

On white

11.39

#2A317F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2A317F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A317F

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A317F	#FFFFFF	#000000	##FFFFFF
##2A317F	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a317f;
/* rgb */ color: rgb(42, 49, 127);
/* oklch */ color: oklch(35.8% 0.130 273.9);

Tailwind

colors: {
  custom: {
    50: '#6e69a5',
    500: '#2a317f',
    950: '#000000',
  },
}

SCSS

$custom: #2a317f;
$custom-light: #6e69a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a317f",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 127
  },
  "hsl": {
    "h": 235.059,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35758,
    "c": 0.13026,
    "h": 273.9
  },
  "luminance": 0.04221
}

Semantic roles & 50–950 ramp

primary

#2A317F

secondary

#AEA757

accent

#CE4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A317F

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

Preview Lab → · Contrast checker → · Palette generator →