#277B8B#277B8B

#277B8B is a mid, moderate teal. Relative luminance 0.165; OKLCH L 54.0% C 0.082 H 213.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#277B8B
RGB	rgb(39, 123, 139)
HSL	hsl(190, 56%, 35%)
HSV	hsv(190, 72%, 55%)
CMYK	cmyk(71.9%, 11.5%, 0%, 45.5%)
CIE-LAB	lab(47.57, -19.22, -15.94)
CIE-LCH	lch(47.57, 24.97, 219.67°)
OKLab	oklab(54.05% -0.0684 -0.0444)
OKLCH	oklch(54.05% 0.082 213)
XYZ	xyz(12.5779, 16.4599, 26.9353)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277B8B #8B3727

analogous

#278B69 #277B8B #27498B

triadic

#277B8B #8B277B #7B8B27

tetradic

#277B8B #69278B #8B3727 #498B27

square

#277B8B #69278B #8B3727 #498B27

split-complementary

#277B8B #8B2749 #8B6927

monochromatic

#0C262B #1A515B #277B8B #34A5BB #5BBED1

Accessibility & contrast

On white

4.89

#277B8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#277B8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277B8B

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277B8B	#FFFFFF	#000000	##FFFFFF
##277B8B	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F778C

Deuteranopia (green-blind)

#616C8B

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #277b8b;
/* rgb */ color: rgb(39, 123, 139);
/* oklch */ color: oklch(54.0% 0.082 213.0);

Tailwind

colors: {
  custom: {
    50: '#70a1ac',
    500: '#277b8b',
    950: '#000000',
  },
}

SCSS

$custom: #277b8b;
$custom-light: #70a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#277b8b",
  "rgb": {
    "r": 39,
    "g": 123,
    "b": 139
  },
  "hsl": {
    "h": 189.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.54048,
    "c": 0.0815,
    "h": 213
  },
  "luminance": 0.16461
}

Semantic roles & 50–950 ramp

primary

#277B8B

secondary

#B66758

accent

#6148DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #277B8B

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

Preview Lab → · Contrast checker → · Palette generator →