#277D8B#277D8B

#277D8B is a mid, moderate teal. Relative luminance 0.170; OKLCH L 54.6% C 0.082 H 210.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#277D8B
RGB	rgb(39, 125, 139)
HSL	hsl(188, 56%, 35%)
HSV	hsv(188, 72%, 55%)
CMYK	cmyk(71.9%, 10.1%, 0%, 45.5%)
CIE-LAB	lab(48.21, -20.29, -14.97)
CIE-LCH	lch(48.21, 25.22, 216.42°)
OKLab	oklab(54.56% -0.0705 -0.0416)
OKLCH	oklch(54.56% 0.082 210.6)
XYZ	xyz(12.8285, 16.9612, 27.0188)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277D8B #8B3527

analogous

#278B67 #277D8B #274B8B

triadic

#277D8B #8B277D #7D8B27

tetradic

#277D8B #67278B #8B3527 #4B8B27

square

#277D8B #67278B #8B3527 #4B8B27

split-complementary

#277D8B #8B274B #8B6727

monochromatic

#0C272B #1A525B #277D8B #34A8BB #5BC1D1

Accessibility & contrast

On white

4.78

#277D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#277D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277D8B

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277D8B	#FFFFFF	#000000	##FFFFFF
##277D8B	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788C

Deuteranopia (green-blind)

#636E8B

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #277d8b;
/* rgb */ color: rgb(39, 125, 139);
/* oklch */ color: oklch(54.6% 0.082 210.6);

Tailwind

colors: {
  custom: {
    50: '#70a3ac',
    500: '#277d8b',
    950: '#000000',
  },
}

SCSS

$custom: #277d8b;
$custom-light: #70a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#277d8b",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 139
  },
  "hsl": {
    "h": 188.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.54562,
    "c": 0.08187,
    "h": 210.6
  },
  "luminance": 0.16963
}

Semantic roles & 50–950 ramp

primary

#277D8B

secondary

#B66558

accent

#5D48DF

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #277D8B

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

Preview Lab → · Contrast checker → · Palette generator →