#273CA2#273CA2

#273CA2 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.166 H 268.7°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#273CA2
RGB	rgb(39, 60, 162)
HSL	hsl(230, 61%, 39%)
HSV	hsv(230, 76%, 64%)
CMYK	cmyk(75.9%, 63%, 0%, 36.5%)
CIE-LAB	lab(30.09, 29.02, -57.43)
CIE-LCH	lch(30.09, 64.35, 296.80°)
OKLab	oklab(40.86% -0.0037 -0.166)
OKLCH	oklch(40.86% 0.166 268.7)
XYZ	xyz(8.9719, 6.2707, 34.9129)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273CA2 #A28D27

analogous

#277AA2 #273CA2 #5027A2

triadic

#273CA2 #A2273C #3CA227

tetradic

#273CA2 #A2277A #A28D27 #27A250

square

#273CA2 #A2277A #A28D27 #27A250

split-complementary

#273CA2 #A25027 #7AA227

monochromatic

#0F173F #1B2A71 #273CA2 #3751CF #697CDB

Accessibility & contrast

On white

9.32

#273CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#273CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273CA2

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273CA2	#FFFFFF	#000000	##FFFFFF
##273CA2	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA5

Deuteranopia (green-blind)

#0041A0

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #273ca2;
/* rgb */ color: rgb(39, 60, 162);
/* oklch */ color: oklch(40.9% 0.166 268.7);

Tailwind

colors: {
  custom: {
    50: '#7471be',
    500: '#273ca2',
    950: '#000000',
  },
}

SCSS

$custom: #273ca2;
$custom-light: #7471be;
$custom-dark: #000000;

JSON

{
  "hex": "#273ca2",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 162
  },
  "hsl": {
    "h": 229.756,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40858,
    "c": 0.16603,
    "h": 268.7
  },
  "luminance": 0.06272
}

Semantic roles & 50–950 ramp

primary

#273CA2

secondary

#C1B164

accent

#C943E4

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #273CA2

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

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