#276DB8#276DB8

#276DB8 is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 53.0% C 0.137 H 253.2°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#276DB8
RGBrgb(39, 109, 184)
HSLhsl(211, 65%, 44%)
HSVhsv(211, 79%, 72%)
CMYKcmyk(78.8%, 40.8%, 0%, 27.8%)
CIE-LABlab(45.40, 5.28, -45.73)
CIE-LCHlch(45.40, 46.04, 276.59°)
OKLaboklab(53.02% -0.0395 -0.1307)
OKLCHoklch(53.02% 0.137 253.2)
XYZxyz(14.9538, 14.8275, 47.4120)
Luminance0.1483 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#276DB8 #B87227
analogous
#27B5B8 #276DB8 #2927B8
triadic
#276DB8 #B8276D #6DB827
tetradic
#276DB8 #B827B5 #B87227 #27B829
square
#276DB8 #B827B5 #B87227 #27B829
split-complementary
#276DB8 #B82927 #B5B827
monochromatic
#123153 #1C4F86 #276DB8 #458CD8 #77ABE2

Accessibility & contrast

On white

5.30
#276DB8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.97
#276DB8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276DB8
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##276DB8#FFFFFF#000000##FFFFFF
##276DB81.005.303.975.30
#FFFFFF5.301.0021.001.00
#0000003.9721.001.0021.00
##FFFFFF5.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4973BB
Deuteranopia (green-blind)
#3065B7
Tritanopia (blue-blind)
#007F89
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #276db8;
/* rgb */ color: rgb(39, 109, 184);
/* oklch */ color: oklch(53.0% 0.137 253.2);
Tailwind
colors: {
  custom: {
    50: '#7796ce',
    500: '#276db8',
    950: '#000000',
  },
}
SCSS
$custom: #276db8;
$custom-light: #7796ce;
$custom-dark: #000000;
JSON
{
  "hex": "#276db8",
  "rgb": {
    "r": 39,
    "g": 109,
    "b": 184
  },
  "hsl": {
    "h": 211.034,
    "s": 65.022,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53022,
    "c": 0.13657,
    "h": 253.2
  },
  "luminance": 0.14829
}

Semantic roles & 50–950 ramp

primary
#276DB8
secondary
#CA9F71
accent
#9740E8
background
#F7F9FC
surface
#EEF1F9
border
#C9CBD2
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #276DB8

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

Preview Lab → · Contrast checker → · Palette generator →

#276DB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva