#273C6F#273C6F

#273C6F is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.092 H 265.3°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#273C6F
RGB	rgb(39, 60, 111)
HSL	hsl(223, 48%, 29%)
HSV	hsv(223, 65%, 44%)
CMYK	cmyk(64.9%, 45.9%, 0%, 56.5%)
CIE-LAB	lab(26.19, 9.43, -32.10)
CIE-LCH	lch(26.19, 33.46, 286.37°)
OKLab	oklab(36.69% -0.0075 -0.0915)
OKLCH	oklch(36.69% 0.092 265.3)
XYZ	xyz(5.3208, 4.8103, 15.6839)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C6F #6F5A27

analogous

#27606F #273C6F #36276F

triadic

#273C6F #6F273C #3C6F27

tetradic

#273C6F #6F2760 #6F5A27 #276F36

square

#273C6F #6F2760 #6F5A27 #276F36

split-complementary

#273C6F #6F3627 #606F27

monochromatic

#080C17 #172442 #273C6F #37549C #4F70C1

Accessibility & contrast

On white

10.70

#273C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#273C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C6F

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C6F	#FFFFFF	#000000	##FFFFFF
##273C6F	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254171

Deuteranopia (green-blind)

#1A3B6E

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273c6f;
/* rgb */ color: rgb(39, 60, 111);
/* oklch */ color: oklch(36.7% 0.092 265.3);

Tailwind

colors: {
  custom: {
    50: '#697199',
    500: '#273c6f',
    950: '#000000',
  },
}

SCSS

$custom: #273c6f;
$custom-light: #697199;
$custom-dark: #000000;

JSON

{
  "hex": "#273c6f",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 111
  },
  "hsl": {
    "h": 222.5,
    "s": 48,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36692,
    "c": 0.09185,
    "h": 265.3
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#273C6F

secondary

#A28A50

accent

#B050D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273C6F

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

Preview Lab → · Contrast checker → · Palette generator →