#277399#277399

#277399 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.7% C 0.094 H 234.6°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#277399
RGB	rgb(39, 115, 153)
HSL	hsl(200, 59%, 38%)
HSV	hsv(200, 75%, 60%)
CMYK	cmyk(74.5%, 24.8%, 0%, 40%)
CIE-LAB	lab(45.62, -9.89, -27.22)
CIE-LCH	lch(45.62, 28.96, 250.02°)
OKLab	oklab(52.68% -0.0544 -0.0766)
OKLCH	oklch(52.68% 0.094 234.6)
XYZ	xyz(12.7149, 14.9912, 32.3543)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277399 #994D27

analogous

#279986 #277399 #273A99

triadic

#277399 #992773 #739927

tetradic

#277399 #862799 #994D27 #3A9927

square

#277399 #862799 #994D27 #3A9927

split-complementary

#277399 #99273A #998627

monochromatic

#0E2A37 #1B4E68 #277399 #3398CA #63B1D7

Accessibility & contrast

On white

5.25

#277399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#277399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277399

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277399	#FFFFFF	#000000	##FFFFFF
##277399	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61729B

Deuteranopia (green-blind)

#516798

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #277399;
/* rgb */ color: rgb(39, 115, 153);
/* oklch */ color: oklch(52.7% 0.094 234.6);

Tailwind

colors: {
  custom: {
    50: '#719bb7',
    500: '#277399',
    950: '#000000',
  },
}

SCSS

$custom: #277399;
$custom-light: #719bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#277399",
  "rgb": {
    "r": 39,
    "g": 115,
    "b": 153
  },
  "hsl": {
    "h": 200,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.52678,
    "c": 0.09398,
    "h": 234.6
  },
  "luminance": 0.14993
}

Semantic roles & 50–950 ramp

primary

#277399

secondary

#BD7E5F

accent

#7A45E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277399

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

Preview Lab → · Contrast checker → · Palette generator →