#273AA2#273AA2

#273AA2 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.168 H 269.2°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#273AA2
RGB	rgb(39, 58, 162)
HSL	hsl(231, 61%, 39%)
HSV	hsv(231, 76%, 64%)
CMYK	cmyk(75.9%, 64.2%, 0%, 36.5%)
CIE-LAB	lab(29.58, 30.34, -58.27)
CIE-LCH	lch(29.58, 65.69, 297.50°)
OKLab	oklab(40.48% -0.0024 -0.1684)
OKLCH	oklch(40.48% 0.168 269.2)
XYZ	xyz(8.8691, 6.0651, 34.8787)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273AA2 #A28F27

analogous

#2778A2 #273AA2 #5227A2

triadic

#273AA2 #A2273A #3AA227

tetradic

#273AA2 #A22778 #A28F27 #27A252

square

#273AA2 #A22778 #A28F27 #27A252

split-complementary

#273AA2 #A25227 #78A227

monochromatic

#0F173F #1B2871 #273AA2 #374FCF #697ADB

Accessibility & contrast

On white

9.49

#273AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#273AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273AA2

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273AA2	#FFFFFF	#000000	##FFFFFF
##273AA2	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA5

Deuteranopia (green-blind)

#0040A0

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #273aa2;
/* rgb */ color: rgb(39, 58, 162);
/* oklch */ color: oklch(40.5% 0.168 269.2);

Tailwind

colors: {
  custom: {
    50: '#7570be',
    500: '#273aa2',
    950: '#000000',
  },
}

SCSS

$custom: #273aa2;
$custom-light: #7570be;
$custom-dark: #000000;

JSON

{
  "hex": "#273aa2",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 162
  },
  "hsl": {
    "h": 230.732,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40482,
    "c": 0.16847,
    "h": 269.2
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#273AA2

secondary

#C1B364

accent

#CB43E4

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #273AA2

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

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