#277591#277591

#277591 is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.8% C 0.086 H 226.1°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#277591
RGB	rgb(39, 117, 145)
HSL	hsl(196, 58%, 36%)
HSV	hsv(196, 73%, 57%)
CMYK	cmyk(73.1%, 19.3%, 0%, 43.1%)
CIE-LAB	lab(45.90, -13.87, -22.05)
CIE-LCH	lch(45.90, 26.05, 237.83°)
OKLab	oklab(52.79% -0.0595 -0.0618)
OKLCH	oklch(52.79% 0.086 226.1)
XYZ	xyz(12.3067, 15.1968, 29.0673)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277591 #914327

analogous

#279178 #277591 #274091

triadic

#277591 #912775 #759127

tetradic

#277591 #782791 #914327 #409127

square

#277591 #782791 #914327 #409127

split-complementary

#277591 #912740 #917827

monochromatic

#0D2731 #1A4E61 #277591 #349CC1 #5FB5D4

Accessibility & contrast

On white

5.20

#277591 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#277591 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277591

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277591	#FFFFFF	#000000	##FFFFFF
##277591	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667392

Deuteranopia (green-blind)

#576891

Tritanopia (blue-blind)

#007D7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #277591;
/* rgb */ color: rgb(39, 117, 145);
/* oklch */ color: oklch(52.8% 0.086 226.1);

Tailwind

colors: {
  custom: {
    50: '#709cb1',
    500: '#277591',
    950: '#000000',
  },
}

SCSS

$custom: #277591;
$custom-light: #709cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#277591",
  "rgb": {
    "r": 39,
    "g": 117,
    "b": 145
  },
  "hsl": {
    "h": 195.849,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.52786,
    "c": 0.08576,
    "h": 226.1
  },
  "luminance": 0.15198
}

Semantic roles & 50–950 ramp

primary

#277591

secondary

#B9745B

accent

#7047E1

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #277591

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

Preview Lab → · Contrast checker → · Palette generator →