#273C94#273C94

#273C94 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.147 H 268.6°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#273C94
RGB	rgb(39, 60, 148)
HSL	hsl(228, 58%, 37%)
HSV	hsv(228, 74%, 58%)
CMYK	cmyk(73.6%, 59.5%, 0%, 42%)
CIE-LAB	lab(28.90, 23.70, -50.84)
CIE-LCH	lch(28.90, 56.10, 294.99°)
OKLab	oklab(39.61% -0.0037 -0.1467)
OKLCH	oklch(39.61% 0.147 268.6)
XYZ	xyz(7.7960, 5.8004, 28.7200)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C94 #947F27

analogous

#277394 #273C94 #482794

triadic

#273C94 #94273C #3C9427

tetradic

#273C94 #942773 #947F27 #279448

square

#273C94 #942773 #947F27 #279448

split-complementary

#273C94 #944827 #739427

monochromatic

#0D1533 #1A2864 #273C94 #3450C4 #6077D5

Accessibility & contrast

On white

9.72

#273C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#273C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C94

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C94	#FFFFFF	#000000	##FFFFFF
##273C94	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004997

Deuteranopia (green-blind)

#003F92

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #273c94;
/* rgb */ color: rgb(39, 60, 148);
/* oklch */ color: oklch(39.6% 0.147 268.6);

Tailwind

colors: {
  custom: {
    50: '#7171b4',
    500: '#273c94',
    950: '#000000',
  },
}

SCSS

$custom: #273c94;
$custom-light: #7171b4;
$custom-dark: #000000;

JSON

{
  "hex": "#273c94",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 148
  },
  "hsl": {
    "h": 228.44,
    "s": 58.289,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39612,
    "c": 0.14671,
    "h": 268.6
  },
  "luminance": 0.05801
}

Semantic roles & 50–950 ramp

primary

#273C94

secondary

#BBA85C

accent

#C446E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273C94

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

Preview Lab → · Contrast checker → · Palette generator →