#277181#277181

#277181 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.0% C 0.075 H 214.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#277181
RGB	rgb(39, 113, 129)
HSL	hsl(191, 54%, 33%)
HSV	hsv(191, 70%, 51%)
CMYK	cmyk(69.8%, 12.4%, 0%, 49.4%)
CIE-LAB	lab(43.98, -17.09, -15.47)
CIE-LCH	lch(43.98, 23.05, 222.14°)
OKLab	oklab(51.03% -0.0618 -0.043)
OKLCH	oklch(51.03% 0.075 214.9)
XYZ	xyz(10.7026, 13.8254, 22.8691)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277181 #813727

analogous

#278164 #277181 #274481

triadic

#277181 #812771 #718127

tetradic

#277181 #642781 #813727 #448127

square

#277181 #642781 #813727 #448127

split-complementary

#277181 #812744 #816427

monochromatic

#0B1F23 #194852 #277181 #359AB0 #56B7CC

Accessibility & contrast

On white

5.58

#277181 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#277181 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277181

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277181	#FFFFFF	#000000	##FFFFFF
##277181	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666D82

Deuteranopia (green-blind)

#596481

Tritanopia (blue-blind)

#007776

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #277181;
/* rgb */ color: rgb(39, 113, 129);
/* oklch */ color: oklch(51.0% 0.075 214.9);

Tailwind

colors: {
  custom: {
    50: '#6e9aa5',
    500: '#277181',
    950: '#000000',
  },
}

SCSS

$custom: #277181;
$custom-light: #6e9aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#277181",
  "rgb": {
    "r": 39,
    "g": 113,
    "b": 129
  },
  "hsl": {
    "h": 190.667,
    "s": 53.571,
    "l": 32.941
  },
  "oklch": {
    "l": 0.51033,
    "c": 0.07531,
    "h": 214.9
  },
  "luminance": 0.13827
}

Semantic roles & 50–950 ramp

primary

#277181

secondary

#B16453

accent

#654BDD

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E0F

muted

#7B7E7F

Preview Lab

Preview with #277181

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

Preview Lab → · Contrast checker → · Palette generator →