#277EAE#277EAE

#277EAE is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.109 H 237.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#277EAE
RGB	rgb(39, 126, 174)
HSL	hsl(201, 63%, 42%)
HSV	hsv(201, 78%, 68%)
CMYK	cmyk(77.6%, 27.6%, 0%, 31.8%)
CIE-LAB	lab(49.99, -8.72, -32.68)
CIE-LCH	lch(49.99, 33.82, 255.05°)
OKLab	oklab(56.47% -0.058 -0.0923)
OKLCH	oklch(56.47% 0.109 237.9)
XYZ	xyz(15.9345, 18.4071, 42.7493)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277EAE #AE5727

analogous

#27AE9B #277EAE #273BAE

triadic

#277EAE #AE277E #7EAE27

tetradic

#277EAE #9B27AE #AE5727 #3BAE27

square

#277EAE #9B27AE #AE5727 #3BAE27

split-complementary

#277EAE #AE273B #AE9B27

monochromatic

#11364A #1C5A7C #277EAE #3E9FD4 #70B8DF

Accessibility & contrast

On white

4.49

#277EAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#277EAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277EAE

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277EAE	#FFFFFF	#000000	##000000
##277EAE	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB0

Deuteranopia (green-blind)

#5571AD

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #277eae;
/* rgb */ color: rgb(39, 126, 174);
/* oklch */ color: oklch(56.5% 0.109 237.9);

Tailwind

colors: {
  custom: {
    50: '#76a3c6',
    500: '#277eae',
    950: '#000000',
  },
}

SCSS

$custom: #277eae;
$custom-light: #76a3c6;
$custom-dark: #000000;

JSON

{
  "hex": "#277eae",
  "rgb": {
    "r": 39,
    "g": 126,
    "b": 174
  },
  "hsl": {
    "h": 201.333,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56466,
    "c": 0.10902,
    "h": 237.9
  },
  "luminance": 0.18409
}

Semantic roles & 50–950 ramp

primary

#277EAE

secondary

#C68B6B

accent

#7C41E6

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #277EAE

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

Preview Lab → · Contrast checker → · Palette generator →