#277B8A#277B8A

#277B8A is a mid, moderate teal. Relative luminance 0.164; OKLCH L 54.0% C 0.081 H 211.9°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#277B8A
RGB	rgb(39, 123, 138)
HSL	hsl(189, 56%, 35%)
HSV	hsv(189, 72%, 54%)
CMYK	cmyk(71.7%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(47.53, -19.55, -15.41)
CIE-LCH	lch(47.53, 24.89, 218.24°)
OKLab	oklab(54.01% -0.0688 -0.0429)
OKLCH	oklch(54.01% 0.081 211.9)
XYZ	xyz(12.5052, 16.4308, 26.5522)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277B8A #8A3627

analogous

#278A68 #277B8A #274A8A

triadic

#277B8A #8A277B #7B8A27

tetradic

#277B8A #68278A #8A3627 #4A8A27

square

#277B8A #68278A #8A3627 #4A8A27

split-complementary

#277B8A #8A274A #8A6827

monochromatic

#0C262B #1A505A #277B8A #34A6BA #5BBFD1

Accessibility & contrast

On white

4.90

#277B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#277B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277B8A

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277B8A	#FFFFFF	#000000	##FFFFFF
##277B8A	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F778B

Deuteranopia (green-blind)

#616C8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #277b8a;
/* rgb */ color: rgb(39, 123, 138);
/* oklch */ color: oklch(54.0% 0.081 211.9);

Tailwind

colors: {
  custom: {
    50: '#70a1ac',
    500: '#277b8a',
    950: '#000000',
  },
}

SCSS

$custom: #277b8a;
$custom-light: #70a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#277b8a",
  "rgb": {
    "r": 39,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 189.091,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.54005,
    "c": 0.08105,
    "h": 211.9
  },
  "luminance": 0.16432
}

Semantic roles & 50–950 ramp

primary

#277B8A

secondary

#B66557

accent

#5F49DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #277B8A

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

Preview Lab → · Contrast checker → · Palette generator →