#277F8D#277F8D

#277F8D is a mid, moderate teal. Relative luminance 0.175; OKLCH L 55.2% C 0.083 H 210.3°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#277F8D
RGB	rgb(39, 127, 141)
HSL	hsl(188, 57%, 35%)
HSV	hsv(188, 72%, 55%)
CMYK	cmyk(72.3%, 9.9%, 0%, 44.7%)
CIE-LAB	lab(48.92, -20.70, -15.07)
CIE-LCH	lch(48.92, 25.61, 216.04°)
OKLab	oklab(55.16% -0.0718 -0.0419)
OKLCH	oklch(55.16% 0.083 210.3)
XYZ	xyz(13.2317, 17.5316, 27.8807)
Luminance	0.1753 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277F8D #8D3527

analogous

#278D68 #277F8D #274C8D

triadic

#277F8D #8D277F #7F8D27

tetradic

#277F8D #68278D #8D3527 #4C8D27

square

#277F8D #68278D #8D3527 #4C8D27

split-complementary

#277F8D #8D274C #8D6827

monochromatic

#0C292D #1A545D #277F8D #34AABD #5CC2D2

Accessibility & contrast

On white

4.66

#277F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#277F8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #277F8D

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277F8D	#FFFFFF	#000000	##FFFFFF
##277F8D	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8E

Deuteranopia (green-blind)

#65708D

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277f8d;
/* rgb */ color: rgb(39, 127, 141);
/* oklch */ color: oklch(55.2% 0.083 210.3);

Tailwind

colors: {
  custom: {
    50: '#71a4ae',
    500: '#277f8d',
    950: '#000000',
  },
}

SCSS

$custom: #277f8d;
$custom-light: #71a4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#277f8d",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 141
  },
  "hsl": {
    "h": 188.235,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.55161,
    "c": 0.08311,
    "h": 210.3
  },
  "luminance": 0.17533
}

Semantic roles & 50–950 ramp

primary

#277F8D

secondary

#B76659

accent

#5D48E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #277F8D

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

Preview Lab → · Contrast checker → · Palette generator →