#277599#277599

#277599 is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.093 H 232.6°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#277599
RGB	rgb(39, 117, 153)
HSL	hsl(199, 59%, 38%)
HSV	hsv(199, 75%, 60%)
CMYK	cmyk(74.5%, 23.5%, 0%, 40%)
CIE-LAB	lab(46.25, -11.05, -26.24)
CIE-LCH	lch(46.25, 28.48, 247.16°)
OKLab	oklab(53.18% -0.0564 -0.0738)
OKLCH	oklch(53.18% 0.093 232.6)
XYZ	xyz(12.9455, 15.4523, 32.4311)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277599 #994B27

analogous

#279984 #277599 #273C99

triadic

#277599 #992775 #759927

tetradic

#277599 #842799 #994B27 #3C9927

square

#277599 #842799 #994B27 #3C9927

split-complementary

#277599 #99273C #998427

monochromatic

#0E2A37 #1B5068 #277599 #339ACA #63B3D7

Accessibility & contrast

On white

5.13

#277599 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#277599 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277599

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277599	#FFFFFF	#000000	##FFFFFF
##277599	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63749B

Deuteranopia (green-blind)

#546998

Tritanopia (blue-blind)

#007F81

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #277599;
/* rgb */ color: rgb(39, 117, 153);
/* oklch */ color: oklch(53.2% 0.093 232.6);

Tailwind

colors: {
  custom: {
    50: '#719cb7',
    500: '#277599',
    950: '#000000',
  },
}

SCSS

$custom: #277599;
$custom-light: #719cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#277599",
  "rgb": {
    "r": 39,
    "g": 117,
    "b": 153
  },
  "hsl": {
    "h": 198.947,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.53176,
    "c": 0.09291,
    "h": 232.6
  },
  "luminance": 0.15454
}

Semantic roles & 50–950 ramp

primary

#277599

secondary

#BD7D5F

accent

#7745E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277599

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

Preview Lab → · Contrast checker → · Palette generator →