#2D307A#2D307A

#2D307A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.124 H 276.3°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#2D307A
RGB	rgb(45, 48, 122)
HSL	hsl(238, 46%, 33%)
HSV	hsv(238, 63%, 48%)
CMYK	cmyk(63.1%, 60.7%, 0%, 52.2%)
CIE-LAB	lab(23.92, 23.07, -42.73)
CIE-LCH	lch(23.92, 48.56, 298.36°)
OKLab	oklab(35.34% 0.0135 -0.1228)
OKLCH	oklch(35.34% 0.124 276.3)
XYZ	xyz(5.6509, 4.0765, 18.8976)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D307A #7A772D

analogous

#2D577A #2D307A #502D7A

triadic

#2D307A #7A2D30 #307A2D

tetradic

#2D307A #7A2D57 #7A772D #2D7A50

square

#2D307A #7A2D57 #7A772D #2D7A50

split-complementary

#2D307A #7A502D #577A2D

monochromatic

#0C0D21 #1D1E4D #2D307A #3D42A7 #5E62C4

Accessibility & contrast

On white

11.57

#2D307A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2D307A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D307A

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D307A	#FFFFFF	#000000	##FFFFFF
##2D307A	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7C

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2d307a;
/* rgb */ color: rgb(45, 48, 122);
/* oklch */ color: oklch(35.3% 0.124 276.3);

Tailwind

colors: {
  custom: {
    50: '#6f68a1',
    500: '#2d307a',
    950: '#000000',
  },
}

SCSS

$custom: #2d307a;
$custom-light: #6f68a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d307a",
  "rgb": {
    "r": 45,
    "g": 48,
    "b": 122
  },
  "hsl": {
    "h": 237.662,
    "s": 46.108,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3534,
    "c": 0.12353,
    "h": 276.3
  },
  "luminance": 0.04077
}

Semantic roles & 50–950 ramp

primary

#2D307A

secondary

#AAA759

accent

#D152D6

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D307A

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

Preview Lab → · Contrast checker → · Palette generator →