#2A307C#2A307C

#2A307C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.127 H 274.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A307C
RGB	rgb(42, 48, 124)
HSL	hsl(236, 49%, 33%)
HSV	hsv(236, 66%, 49%)
CMYK	cmyk(66.1%, 61.3%, 0%, 51.4%)
CIE-LAB	lab(23.87, 23.26, -44.09)
CIE-LCH	lch(23.87, 49.85, 297.82°)
OKLab	oklab(35.3% 0.0098 -0.1269)
OKLCH	oklch(35.3% 0.127 274.4)
XYZ	xyz(5.6487, 4.0609, 19.5510)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A307C #7C762A

analogous

#2A597C #2A307C #4D2A7C

triadic

#2A307C #7C2A30 #307C2A

tetradic

#2A307C #7C2A59 #7C762A #2A7C4D

square

#2A307C #7C2A59 #7C762A #2A7C4D

split-complementary

#2A307C #7C4D2A #597C2A

monochromatic

#0B0D21 #1B1E4E #2A307C #3942AA #5961C7

Accessibility & contrast

On white

11.59

#2A307C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2A307C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A307C

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A307C	#FFFFFF	#000000	##FFFFFF
##2A307C	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7F

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a307c;
/* rgb */ color: rgb(42, 48, 124);
/* oklch */ color: oklch(35.3% 0.127 274.4);

Tailwind

colors: {
  custom: {
    50: '#6e68a3',
    500: '#2a307c',
    950: '#000000',
  },
}

SCSS

$custom: #2a307c;
$custom-light: #6e68a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a307c",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 124
  },
  "hsl": {
    "h": 235.61,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35297,
    "c": 0.12725,
    "h": 274.4
  },
  "luminance": 0.04061
}

Semantic roles & 50–950 ramp

primary

#2A307C

secondary

#ADA655

accent

#CF4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A307C

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

Preview Lab → · Contrast checker → · Palette generator →