#276D8B#276D8B

#276D8B is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.5% C 0.083 H 230.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX#276D8B
RGBrgb(39, 109, 139)
HSLhsl(198, 56%, 35%)
HSVhsv(198, 72%, 55%)
CMYKcmyk(71.9%, 21.6%, 0%, 45.5%)
CIE-LABlab(43.11, -11.39, -22.79)
CIE-LCHlch(43.11, 25.48, 243.45°)
OKLaboklab(50.47% -0.0533 -0.0639)
OKLCHoklch(50.47% 0.083 230.2)
XYZxyz(10.9637, 13.2315, 26.3972)
Luminance0.1323 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#276D8B #8B4527
analogous
#278B77 #276D8B #273B8B
triadic
#276D8B #8B276D #6D8B27
tetradic
#276D8B #77278B #8B4527 #3B8B27
square
#276D8B #77278B #8B4527 #3B8B27
split-complementary
#276D8B #8B273B #8B7727
monochromatic
#0C222B #1A485B #276D8B #3492BB #5BAED1

Accessibility & contrast

On white

5.76
#276D8B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.65
#276D8B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276D8B
5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##276D8B#FFFFFF#000000##FFFFFF
##276D8B1.005.763.655.76
#FFFFFF5.761.0021.001.00
#0000003.6521.001.0021.00
##FFFFFF5.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E6B8C
Deuteranopia (green-blind)
#50618B
Tritanopia (blue-blind)
#007577
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #276d8b;
/* rgb */ color: rgb(39, 109, 139);
/* oklch */ color: oklch(50.5% 0.083 230.2);
Tailwind
colors: {
  custom: {
    50: '#6f96ad',
    500: '#276d8b',
    950: '#000000',
  },
}
SCSS
$custom: #276d8b;
$custom-light: #6f96ad;
$custom-dark: #000000;
JSON
{
  "hex": "#276d8b",
  "rgb": {
    "r": 39,
    "g": 109,
    "b": 139
  },
  "hsl": {
    "h": 198,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5047,
    "c": 0.08327,
    "h": 230.2
  },
  "luminance": 0.13233
}

Semantic roles & 50–950 ramp

primary
#276D8B
secondary
#B67458
accent
#7648DF
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #276D8B

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

Preview Lab → · Contrast checker → · Palette generator →

#276D8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva