#273BAD#273BAD

#273BAD is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.182 H 268.9°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#273BAD
RGB	rgb(39, 59, 173)
HSL	hsl(231, 63%, 42%)
HSV	hsv(231, 77%, 68%)
CMYK	cmyk(77.5%, 65.9%, 0%, 32.2%)
CIE-LAB	lab(30.82, 33.77, -62.84)
CIE-LCH	lch(30.82, 71.34, 298.25°)
OKLab	oklab(41.7% -0.0035 -0.1818)
OKLCH	oklch(41.7% 0.182 268.9)
XYZ	xyz(9.9409, 6.5753, 40.2723)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273BAD #AD9927

analogous

#277EAD #273BAD #5627AD

triadic

#273BAD #AD273B #3BAD27

tetradic

#273BAD #AD277E #AD9927 #27AD56

square

#273BAD #AD277E #AD9927 #27AD56

split-complementary

#273BAD #AD5627 #7EAD27

monochromatic

#101949 #1C2A7B #273BAD #3E54D3 #7080DF

Accessibility & contrast

On white

9.07

#273BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#273BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273BAD

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273BAD	#FFFFFF	#000000	##FFFFFF
##273BAD	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0042AB

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #273bad;
/* rgb */ color: rgb(39, 59, 173);
/* oklch */ color: oklch(41.7% 0.182 268.9);

Tailwind

colors: {
  custom: {
    50: '#7771c6',
    500: '#273bad',
    950: '#000000',
  },
}

SCSS

$custom: #273bad;
$custom-light: #7771c6;
$custom-dark: #000000;

JSON

{
  "hex": "#273bad",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 173
  },
  "hsl": {
    "h": 231.045,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41701,
    "c": 0.18186,
    "h": 268.9
  },
  "luminance": 0.06576
}

Semantic roles & 50–950 ramp

primary

#273BAD

secondary

#C6B86A

accent

#CE42E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #273BAD

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

Preview Lab → · Contrast checker → · Palette generator →