#2A307D#2A307D

#2A307D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.129 H 274.4°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A307D
RGB	rgb(42, 48, 125)
HSL	hsl(236, 50%, 33%)
HSV	hsv(236, 66%, 49%)
CMYK	cmyk(66.4%, 61.6%, 0%, 51%)
CIE-LAB	lab(23.95, 23.63, -44.59)
CIE-LCH	lch(23.95, 50.46, 297.93°)
OKLab	oklab(35.39% 0.0098 -0.1283)
OKLCH	oklch(35.39% 0.129 274.4)
XYZ	xyz(5.7122, 4.0863, 19.8858)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A307D #7D772A

analogous

#2A597D #2A307D #4E2A7D

triadic

#2A307D #7D2A30 #307D2A

tetradic

#2A307D #7D2A59 #7D772A #2A7D4E

square

#2A307D #7D2A59 #7D772A #2A7D4E

split-complementary

#2A307D #7D4E2A #597D2A

monochromatic

#0B0D21 #1B1E4F #2A307D #3942AB #5A62C8

Accessibility & contrast

On white

11.55

#2A307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2A307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A307D

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A307D	#FFFFFF	#000000	##FFFFFF
##2A307D	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D80

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a307d;
/* rgb */ color: rgb(42, 48, 125);
/* oklch */ color: oklch(35.4% 0.129 274.4);

Tailwind

colors: {
  custom: {
    50: '#6e68a3',
    500: '#2a307d',
    950: '#000000',
  },
}

SCSS

$custom: #2a307d;
$custom-light: #6e68a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a307d",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 235.663,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35385,
    "c": 0.1287,
    "h": 274.4
  },
  "luminance": 0.04087
}

Semantic roles & 50–950 ramp

primary

#2A307D

secondary

#ADA756

accent

#CF4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A307D

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

Preview Lab → · Contrast checker → · Palette generator →