#2A308E#2A308E

#2A308E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.153 H 273.4°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A308E
RGB	rgb(42, 48, 142)
HSL	hsl(236, 54%, 36%)
HSV	hsv(236, 70%, 56%)
CMYK	cmyk(70.4%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(25.44, 29.89, -52.80)
CIE-LCH	lch(25.44, 60.67, 299.52°)
OKLab	oklab(36.94% 0.009 -0.1524)
OKLCH	oklch(36.94% 0.153 273.4)
XYZ	xyz(6.8927, 4.5585, 26.1026)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A308E #8E882A

analogous

#2A628E #2A308E #562A8E

triadic

#2A308E #8E2A30 #308E2A

tetradic

#2A308E #8E2A62 #8E882A #2A8E56

square

#2A308E #8E2A62 #8E882A #2A8E56

split-complementary

#2A308E #8E562A #628E2A

monochromatic

#0E1030 #1C205F #2A308E #3840BD #6269D1

Accessibility & contrast

On white

10.98

#2A308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A308E

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A308E	#FFFFFF	#000000	##FFFFFF
##2A308E	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a308e;
/* rgb */ color: rgb(42, 48, 142);
/* oklch */ color: oklch(36.9% 0.153 273.4);

Tailwind

colors: {
  custom: {
    50: '#7268b0',
    500: '#2a308e',
    950: '#000000',
  },
}

SCSS

$custom: #2a308e;
$custom-light: #7268b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a308e",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 236.4,
    "s": 54.348,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36937,
    "c": 0.1527,
    "h": 273.4
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#2A308E

secondary

#B6B15D

accent

#D54ADE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2A308E

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

Preview Lab → · Contrast checker → · Palette generator →