#273E6E#273E6E

#273E6E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.088 H 263.4°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#273E6E
RGB	rgb(39, 62, 110)
HSL	hsl(221, 48%, 29%)
HSV	hsv(221, 65%, 43%)
CMYK	cmyk(64.5%, 43.6%, 0%, 56.9%)
CIE-LAB	lab(26.74, 7.67, -30.58)
CIE-LCH	lch(26.74, 31.53, 284.07°)
OKLab	oklab(37.1% -0.01 -0.087)
OKLCH	oklch(37.1% 0.088 263.4)
XYZ	xyz(5.3728, 5.0019, 15.4312)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E6E #6E5727

analogous

#27626E #273E6E #34276E

triadic

#273E6E #6E273E #3E6E27

tetradic

#273E6E #6E2762 #6E5727 #276E34

square

#273E6E #6E2762 #6E5727 #276E34

split-complementary

#273E6E #6E3427 #626E27

monochromatic

#080D17 #172541 #273E6E #37579B #4F74C1

Accessibility & contrast

On white

10.50

#273E6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#273E6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E6E

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E6E	#FFFFFF	#000000	##FFFFFF
##273E6E	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294370

Deuteranopia (green-blind)

#1F3C6D

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273e6e;
/* rgb */ color: rgb(39, 62, 110);
/* oklch */ color: oklch(37.1% 0.088 263.4);

Tailwind

colors: {
  custom: {
    50: '#687298',
    500: '#273e6e',
    950: '#000000',
  },
}

SCSS

$custom: #273e6e;
$custom-light: #687298;
$custom-dark: #000000;

JSON

{
  "hex": "#273e6e",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 110
  },
  "hsl": {
    "h": 220.563,
    "s": 47.651,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37097,
    "c": 0.08763,
    "h": 263.4
  },
  "luminance": 0.05002
}

Semantic roles & 50–950 ramp

primary

#273E6E

secondary

#A18750

accent

#AC51D7

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #273E6E

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

Preview Lab → · Contrast checker → · Palette generator →