#2D317C#2D317C

#2D317C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.125 H 275.7°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#2D317C
RGB	rgb(45, 49, 124)
HSL	hsl(237, 47%, 33%)
HSV	hsv(237, 64%, 49%)
CMYK	cmyk(63.7%, 60.5%, 0%, 51.4%)
CIE-LAB	lab(24.35, 23.12, -43.30)
CIE-LCH	lch(24.35, 49.08, 298.10°)
OKLab	oklab(35.71% 0.0125 -0.1245)
OKLCH	oklch(35.71% 0.125 275.7)
XYZ	xyz(5.8174, 4.2093, 19.5708)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D317C #7C782D

analogous

#2D587C #2D317C #502D7C

triadic

#2D317C #7C2D31 #317C2D

tetradic

#2D317C #7C2D58 #7C782D #2D7C50

square

#2D317C #7C2D58 #7C782D #2D7C50

split-complementary

#2D317C #7C502D #587C2D

monochromatic

#0C0E22 #1D1F4F #2D317C #3D43A9 #5F64C5

Accessibility & contrast

On white

11.40

#2D317C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2D317C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D317C

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D317C	#FFFFFF	#000000	##FFFFFF
##2D317C	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7F

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d317c;
/* rgb */ color: rgb(45, 49, 124);
/* oklch */ color: oklch(35.7% 0.125 275.7);

Tailwind

colors: {
  custom: {
    50: '#6f69a3',
    500: '#2d317c',
    950: '#000000',
  },
}

SCSS

$custom: #2d317c;
$custom-light: #6f69a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d317c",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 124
  },
  "hsl": {
    "h": 236.962,
    "s": 46.746,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35709,
    "c": 0.12509,
    "h": 275.7
  },
  "luminance": 0.0421
}

Semantic roles & 50–950 ramp

primary

#2D317C

secondary

#ABA75A

accent

#D051D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D317C

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

Preview Lab → · Contrast checker → · Palette generator →