#2A317E#2A317E

#2A317E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.129 H 273.9°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#2A317E
RGB	rgb(42, 49, 126)
HSL	hsl(235, 50%, 33%)
HSV	hsv(235, 67%, 49%)
CMYK	cmyk(66.7%, 61.1%, 0%, 50.6%)
CIE-LAB	lab(24.30, 23.32, -44.65)
CIE-LCH	lch(24.30, 50.37, 297.58°)
OKLab	oklab(35.67% 0.0088 -0.1285)
OKLCH	oklch(35.67% 0.129 273.9)
XYZ	xyz(5.8178, 4.1947, 20.2377)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A317E #7E772A

analogous

#2A5B7E #2A317E #4D2A7E

triadic

#2A317E #7E2A31 #317E2A

tetradic

#2A317E #7E2A5B #7E772A #2A7E4D

square

#2A317E #7E2A5B #7E772A #2A7E4D

split-complementary

#2A317E #7E4D2A #5B7E2A

monochromatic

#0B0D22 #1B1F50 #2A317E #3943AC #5A63C8

Accessibility & contrast

On white

11.42

#2A317E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2A317E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A317E

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A317E	#FFFFFF	#000000	##FFFFFF
##2A317E	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a317e;
/* rgb */ color: rgb(42, 49, 126);
/* oklch */ color: oklch(35.7% 0.129 273.9);

Tailwind

colors: {
  custom: {
    50: '#6e69a4',
    500: '#2a317e',
    950: '#000000',
  },
}

SCSS

$custom: #2a317e;
$custom-light: #6e69a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a317e",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 126
  },
  "hsl": {
    "h": 235,
    "s": 50,
    "l": 32.941
  },
  "oklch": {
    "l": 0.3567,
    "c": 0.1288,
    "h": 273.9
  },
  "luminance": 0.04195
}

Semantic roles & 50–950 ramp

primary

#2A317E

secondary

#AEA656

accent

#CE4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A317E

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

Preview Lab → · Contrast checker → · Palette generator →