#277E8B#277E8B

#277E8B is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.8% C 0.082 H 209.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#277E8B
RGB	rgb(39, 126, 139)
HSL	hsl(188, 56%, 35%)
HSV	hsv(188, 72%, 55%)
CMYK	cmyk(71.9%, 9.4%, 0%, 45.5%)
CIE-LAB	lab(48.53, -20.83, -14.49)
CIE-LCH	lch(48.53, 25.37, 214.82°)
OKLab	oklab(54.82% -0.0716 -0.0403)
OKLCH	oklch(54.82% 0.082 209.4)
XYZ	xyz(12.9558, 17.2156, 27.0612)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277E8B #8B3427

analogous

#278B66 #277E8B #274C8B

triadic

#277E8B #8B277E #7E8B27

tetradic

#277E8B #66278B #8B3427 #4C8B27

square

#277E8B #66278B #8B3427 #4C8B27

split-complementary

#277E8B #8B274C #8B6627

monochromatic

#0C272B #1A535B #277E8B #34A9BB #5BC2D1

Accessibility & contrast

On white

4.73

#277E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#277E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277E8B

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277E8B	#FFFFFF	#000000	##FFFFFF
##277E8B	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798C

Deuteranopia (green-blind)

#646F8B

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #277e8b;
/* rgb */ color: rgb(39, 126, 139);
/* oklch */ color: oklch(54.8% 0.082 209.4);

Tailwind

colors: {
  custom: {
    50: '#70a3ac',
    500: '#277e8b',
    950: '#000000',
  },
}

SCSS

$custom: #277e8b;
$custom-light: #70a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#277e8b",
  "rgb": {
    "r": 39,
    "g": 126,
    "b": 139
  },
  "hsl": {
    "h": 187.8,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5482,
    "c": 0.08212,
    "h": 209.4
  },
  "luminance": 0.17217
}

Semantic roles & 50–950 ramp

primary

#277E8B

secondary

#B66458

accent

#5C48DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #277E8B

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

Preview Lab → · Contrast checker → · Palette generator →