#277AA3#277AA3

#277AA3 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.100 H 234.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#277AA3
RGBrgb(39, 122, 163)
HSLhsl(200, 61%, 40%)
HSVhsv(200, 76%, 64%)
CMYKcmyk(76.1%, 25.2%, 0%, 36.1%)
CIE-LABlab(48.25, -10.37, -28.99)
CIE-LCHlch(48.25, 30.79, 250.32°)
OKLaboklab(54.92% -0.0579 -0.0817)
OKLCHoklch(54.92% 0.1 234.7)
XYZxyz(14.4045, 16.9930, 37.1640)
Luminance0.1699 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#277AA3 #A35027
analogous
#27A38E #277AA3 #273CA3
triadic
#277AA3 #A3277A #7AA327
tetradic
#277AA3 #8E27A3 #A35027 #3CA327
square
#277AA3 #8E27A3 #A35027 #3CA327
split-complementary
#277AA3 #A3273C #A38E27
monochromatic
#0F3040 #1B5572 #277AA3 #389DCF #69B5DB

Accessibility & contrast

On white

4.77
#277AA3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.40
#277AA3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277AA3
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##277AA3#FFFFFF#000000##FFFFFF
##277AA31.004.774.404.77
#FFFFFF4.771.0021.001.00
#0000004.4021.001.0021.00
##FFFFFF4.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6679A5
Deuteranopia (green-blind)
#556DA2
Tritanopia (blue-blind)
#008588
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #277aa3;
/* rgb */ color: rgb(39, 122, 163);
/* oklch */ color: oklch(54.9% 0.100 234.7);
Tailwind
colors: {
  custom: {
    50: '#73a0be',
    500: '#277aa3',
    950: '#000000',
  },
}
SCSS
$custom: #277aa3;
$custom-light: #73a0be;
$custom-dark: #000000;
JSON
{
  "hex": "#277aa3",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 199.839,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.5492,
    "c": 0.10012,
    "h": 234.7
  },
  "luminance": 0.16995
}

Semantic roles & 50–950 ramp

primary
#277AA3
secondary
#C18364
accent
#7943E4
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#090E12
muted
#7B7E81

Preview Lab

Preview with #277AA3

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

Preview Lab → · Contrast checker → · Palette generator →

#277AA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva