#276BB3#276BB3

#276BB3 is a mid, vivid cyan. Relative luminance 0.142; OKLCH L 52.2% C 0.132 H 252.9°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#276BB3
RGB	rgb(39, 107, 179)
HSL	hsl(211, 64%, 43%)
HSV	hsv(211, 78%, 70%)
CMYK	cmyk(78.2%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(44.52, 4.63, -44.22)
CIE-LCH	lch(44.52, 44.47, 275.98°)
OKLab	oklab(52.24% -0.0389 -0.1263)
OKLCH	oklch(52.24% 0.132 252.9)
XYZ	xyz(14.2280, 14.1997, 44.6300)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276BB3 #B36F27

analogous

#27B1B3 #276BB3 #2927B3

triadic

#276BB3 #B3276B #6BB327

tetradic

#276BB3 #B327B1 #B36F27 #27B329

square

#276BB3 #B327B1 #B36F27 #27B329

split-complementary

#276BB3 #B32927 #B1B327

monochromatic

#112F4E #1C4D81 #276BB3 #4189D6 #74A9E1

Accessibility & contrast

On white

5.47

#276BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#276BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276BB3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276BB3	#FFFFFF	#000000	##FFFFFF
##276BB3	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4870B6

Deuteranopia (green-blind)

#3163B2

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #276bb3;
/* rgb */ color: rgb(39, 107, 179);
/* oklch */ color: oklch(52.2% 0.132 252.9);

Tailwind

colors: {
  custom: {
    50: '#7694ca',
    500: '#276bb3',
    950: '#000000',
  },
}

SCSS

$custom: #276bb3;
$custom-light: #7694ca;
$custom-dark: #000000;

JSON

{
  "hex": "#276bb3",
  "rgb": {
    "r": 39,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 210.857,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52243,
    "c": 0.1322,
    "h": 252.9
  },
  "luminance": 0.14201
}

Semantic roles & 50–950 ramp

primary

#276BB3

secondary

#C89C6E

accent

#9641E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276BB3

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

Preview Lab → · Contrast checker → · Palette generator →