#2D308F#2D308F

#2D308F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.153 H 274.7°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#2D308F
RGB	rgb(45, 48, 143)
HSL	hsl(238, 52%, 37%)
HSV	hsv(238, 69%, 56%)
CMYK	cmyk(68.5%, 66.4%, 0%, 43.9%)
CIE-LAB	lab(25.73, 30.68, -52.94)
CIE-LCH	lch(25.73, 61.18, 300.09°)
OKLab	oklab(37.23% 0.0125 -0.1528)
OKLCH	oklch(37.23% 0.153 274.7)
XYZ	xyz(7.0954, 4.6543, 26.5057)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D308F #8F8C2D

analogous

#2D618F #2D308F #5B2D8F

triadic

#2D308F #8F2D30 #308F2D

tetradic

#2D308F #8F2D61 #8F8C2D #2D8F5B

square

#2D308F #8F2D61 #8F8C2D #2D8F5B

split-complementary

#2D308F #8F5B2D #618F2D

monochromatic

#101132 #1E2060 #2D308F #3C40BE #676ACF

Accessibility & contrast

On white

10.88

#2D308F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2D308F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D308F

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D308F	#FFFFFF	#000000	##FFFFFF
##2D308F	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d308f;
/* rgb */ color: rgb(45, 48, 143);
/* oklch */ color: oklch(37.2% 0.153 274.7);

Tailwind

colors: {
  custom: {
    50: '#7368b1',
    500: '#2d308f',
    950: '#000000',
  },
}

SCSS

$custom: #2d308f;
$custom-light: #7368b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d308f",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 143
  },
  "hsl": {
    "h": 238.163,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37227,
    "c": 0.15327,
    "h": 274.7
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary

#2D308F

secondary

#B6B362

accent

#D74CDC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2D308F

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

Preview Lab → · Contrast checker → · Palette generator →