#2A308F#2A308F

#2A308F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.154 H 273.3°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A308F
RGB	rgb(42, 48, 143)
HSL	hsl(236, 55%, 36%)
HSV	hsv(236, 71%, 56%)
CMYK	cmyk(70.6%, 66.4%, 0%, 43.9%)
CIE-LAB	lab(25.53, 30.26, -53.27)
CIE-LCH	lch(25.53, 61.26, 299.60°)
OKLab	oklab(37.03% 0.0089 -0.1538)
OKLCH	oklch(37.03% 0.154 273.3)
XYZ	xyz(6.9681, 4.5887, 26.4998)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A308F #8F892A

analogous

#2A638F #2A308F #572A8F

triadic

#2A308F #8F2A30 #308F2A

tetradic

#2A308F #8F2A63 #8F892A #2A8F57

square

#2A308F #8F2A63 #8F892A #2A8F57

split-complementary

#2A308F #8F572A #638F2A

monochromatic

#0E1030 #1C2060 #2A308F #3840BE #6269D1

Accessibility & contrast

On white

10.95

#2A308F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A308F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A308F

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A308F	#FFFFFF	#000000	##FFFFFF
##2A308F	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00388D

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a308f;
/* rgb */ color: rgb(42, 48, 143);
/* oklch */ color: oklch(37.0% 0.154 273.3);

Tailwind

colors: {
  custom: {
    50: '#7268b1',
    500: '#2a308f',
    950: '#000000',
  },
}

SCSS

$custom: #2a308f;
$custom-light: #7268b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a308f",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 143
  },
  "hsl": {
    "h": 236.436,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37031,
    "c": 0.15407,
    "h": 273.3
  },
  "luminance": 0.04589
}

Semantic roles & 50–950 ramp

primary

#2A308F

secondary

#B7B25E

accent

#D54ADE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2A308F

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

Preview Lab → · Contrast checker → · Palette generator →