#273E70#273E70

#273E70 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.091 H 263.9°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#273E70
RGB	rgb(39, 62, 112)
HSL	hsl(221, 48%, 30%)
HSV	hsv(221, 65%, 44%)
CMYK	cmyk(65.2%, 44.6%, 0%, 56.1%)
CIE-LAB	lab(26.87, 8.43, -31.66)
CIE-LCH	lch(26.87, 32.76, 284.91°)
OKLab	oklab(37.24% -0.0096 -0.0902)
OKLCH	oklch(37.24% 0.091 263.9)
XYZ	xyz(5.4829, 5.0459, 16.0111)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E70 #705927

analogous

#276370 #273E70 #352770

triadic

#273E70 #70273E #3E7027

tetradic

#273E70 #702763 #705927 #277035

square

#273E70 #702763 #705927 #277035

split-complementary

#273E70 #703527 #637027

monochromatic

#080D17 #172543 #273E70 #37579D #5074C2

Accessibility & contrast

On white

10.45

#273E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#273E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E70

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E70	#FFFFFF	#000000	##FFFFFF
##273E70	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274372

Deuteranopia (green-blind)

#1D3C6F

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273e70;
/* rgb */ color: rgb(39, 62, 112);
/* oklch */ color: oklch(37.2% 0.091 263.9);

Tailwind

colors: {
  custom: {
    50: '#697299',
    500: '#273e70',
    950: '#000000',
  },
}

SCSS

$custom: #273e70;
$custom-light: #697299;
$custom-dark: #000000;

JSON

{
  "hex": "#273e70",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 112
  },
  "hsl": {
    "h": 221.096,
    "s": 48.344,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37235,
    "c": 0.09072,
    "h": 263.9
  },
  "luminance": 0.05046
}

Semantic roles & 50–950 ramp

primary

#273E70

secondary

#A28950

accent

#AD50D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #273E70

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

Preview Lab → · Contrast checker → · Palette generator →