#273B7E#273B7E

#273B7E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.116 H 267.9°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#273B7E
RGB	rgb(39, 59, 126)
HSL	hsl(226, 53%, 32%)
HSV	hsv(226, 69%, 49%)
CMYK	cmyk(69%, 53.2%, 0%, 50.6%)
CIE-LAB	lab(26.92, 15.90, -40.42)
CIE-LCH	lch(26.92, 43.44, 291.47°)
OKLab	oklab(37.58% -0.0042 -0.116)
OKLCH	oklch(37.58% 0.116 267.9)
XYZ	xyz(6.1653, 5.0650, 20.3874)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B7E #7E6A27

analogous

#27667E #273B7E #3F277E

triadic

#273B7E #7E273B #3B7E27

tetradic

#273B7E #7E2766 #7E6A27 #277E3F

square

#273B7E #7E2766 #7E6A27 #277E3F

split-complementary

#273B7E #7E3F27 #667E27

monochromatic

#0A0F21 #19254F #273B7E #3551AD #5570CA

Accessibility & contrast

On white

10.43

#273B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#273B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B7E

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B7E	#FFFFFF	#000000	##FFFFFF
##273B7E	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134480

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273b7e;
/* rgb */ color: rgb(39, 59, 126);
/* oklch */ color: oklch(37.6% 0.116 267.9);

Tailwind

colors: {
  custom: {
    50: '#6c70a4',
    500: '#273b7e',
    950: '#000000',
  },
}

SCSS

$custom: #273b7e;
$custom-light: #6c70a4;
$custom-dark: #000000;

JSON

{
  "hex": "#273b7e",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 126
  },
  "hsl": {
    "h": 226.207,
    "s": 52.727,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37582,
    "c": 0.11609,
    "h": 267.9
  },
  "luminance": 0.05066
}

Semantic roles & 50–950 ramp

primary

#273B7E

secondary

#AF9A52

accent

#BB4CDC

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #273B7E

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

Preview Lab → · Contrast checker → · Palette generator →