#2D307B#2D307B

#2D307B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.125 H 276.2°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#2D307B
RGB	rgb(45, 48, 123)
HSL	hsl(238, 46%, 33%)
HSV	hsv(238, 63%, 48%)
CMYK	cmyk(63.4%, 61%, 0%, 51.8%)
CIE-LAB	lab(24.00, 23.43, -43.23)
CIE-LCH	lch(24.00, 49.17, 298.46°)
OKLab	oklab(35.43% 0.0135 -0.1243)
OKLCH	oklch(35.43% 0.125 276.2)
XYZ	xyz(5.7131, 4.1014, 19.2256)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D307B #7B782D

analogous

#2D577B #2D307B #512D7B

triadic

#2D307B #7B2D30 #307B2D

tetradic

#2D307B #7B2D57 #7B782D #2D7B51

square

#2D307B #7B2D57 #7B782D #2D7B51

split-complementary

#2D307B #7B512D #577B2D

monochromatic

#0C0D21 #1D1F4E #2D307B #3D41A8 #5E62C4

Accessibility & contrast

On white

11.54

#2D307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2D307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D307B

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D307B	#FFFFFF	#000000	##FFFFFF
##2D307B	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7D

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2d307b;
/* rgb */ color: rgb(45, 48, 123);
/* oklch */ color: oklch(35.4% 0.125 276.2);

Tailwind

colors: {
  custom: {
    50: '#6f68a2',
    500: '#2d307b',
    950: '#000000',
  },
}

SCSS

$custom: #2d307b;
$custom-light: #6f68a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d307b",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 237.692,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35425,
    "c": 0.12499,
    "h": 276.2
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#2D307B

secondary

#ABA759

accent

#D152D6

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D307B

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

Preview Lab → · Contrast checker → · Palette generator →