#273BA2#273BA2

#273BA2 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.167 H 269.0°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#273BA2
RGB	rgb(39, 59, 162)
HSL	hsl(230, 61%, 39%)
HSV	hsv(230, 76%, 64%)
CMYK	cmyk(75.9%, 63.6%, 0%, 36.5%)
CIE-LAB	lab(29.83, 29.68, -57.85)
CIE-LCH	lch(29.83, 65.02, 297.16°)
OKLab	oklab(40.67% -0.003 -0.1672)
OKLCH	oklch(40.67% 0.167 269)
XYZ	xyz(8.9200, 6.1669, 34.8956)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273BA2 #A28E27

analogous

#2779A2 #273BA2 #5127A2

triadic

#273BA2 #A2273B #3BA227

tetradic

#273BA2 #A22779 #A28E27 #27A251

square

#273BA2 #A22779 #A28E27 #27A251

split-complementary

#273BA2 #A25127 #79A227

monochromatic

#0F173F #1B2971 #273BA2 #3750CF #697BDB

Accessibility & contrast

On white

9.40

#273BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#273BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273BA2

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273BA2	#FFFFFF	#000000	##FFFFFF
##273BA2	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA5

Deuteranopia (green-blind)

#0041A0

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #273ba2;
/* rgb */ color: rgb(39, 59, 162);
/* oklch */ color: oklch(40.7% 0.167 269.0);

Tailwind

colors: {
  custom: {
    50: '#7470be',
    500: '#273ba2',
    950: '#000000',
  },
}

SCSS

$custom: #273ba2;
$custom-light: #7470be;
$custom-dark: #000000;

JSON

{
  "hex": "#273ba2",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 162
  },
  "hsl": {
    "h": 230.244,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40669,
    "c": 0.16726,
    "h": 269
  },
  "luminance": 0.06168
}

Semantic roles & 50–950 ramp

primary

#273BA2

secondary

#C1B264

accent

#CA43E4

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #273BA2

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

Preview Lab → · Contrast checker → · Palette generator →