#2D308C#2D308C

#2D308C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.149 H 274.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#2D308C
RGB	rgb(45, 48, 140)
HSL	hsl(238, 51%, 36%)
HSV	hsv(238, 68%, 55%)
CMYK	cmyk(67.9%, 65.7%, 0%, 45.1%)
CIE-LAB	lab(25.46, 29.60, -51.52)
CIE-LCH	lch(25.46, 59.42, 299.88°)
OKLab	oklab(36.95% 0.0127 -0.1486)
OKLCH	oklch(36.95% 0.149 274.9)
XYZ	xyz(6.8712, 4.5646, 25.3248)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D308C #8C892D

analogous

#2D608C #2D308C #5A2D8C

triadic

#2D308C #8C2D30 #308C2D

tetradic

#2D308C #8C2D60 #8C892D #2D8C5A

square

#2D308C #8C2D60 #8C892D #2D8C5A

split-complementary

#2D308C #8C5A2D #608C2D

monochromatic

#0F102F #1E205E #2D308C #3C40BA #6669CE

Accessibility & contrast

On white

10.98

#2D308C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2D308C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D308C

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D308C	#FFFFFF	#000000	##FFFFFF
##2D308C	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418F

Deuteranopia (green-blind)

#00388A

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d308c;
/* rgb */ color: rgb(45, 48, 140);
/* oklch */ color: oklch(36.9% 0.149 274.9);

Tailwind

colors: {
  custom: {
    50: '#7368ae',
    500: '#2d308c',
    950: '#000000',
  },
}

SCSS

$custom: #2d308c;
$custom-light: #7368ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d308c",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 140
  },
  "hsl": {
    "h": 238.105,
    "s": 51.351,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36947,
    "c": 0.14916,
    "h": 274.9
  },
  "luminance": 0.04565
}

Semantic roles & 50–950 ramp

primary

#2D308C

secondary

#B4B260

accent

#D64DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2D308C

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

Preview Lab → · Contrast checker → · Palette generator →