#276EB8#276EB8

#276EB8 is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.3% C 0.135 H 252.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#276EB8
RGB	rgb(39, 110, 184)
HSL	hsl(211, 65%, 44%)
HSV	hsv(211, 79%, 72%)
CMYK	cmyk(78.8%, 40.2%, 0%, 27.8%)
CIE-LAB	lab(45.69, 4.65, -45.26)
CIE-LCH	lch(45.69, 45.50, 275.87°)
OKLab	oklab(53.25% -0.0404 -0.1293)
OKLCH	oklch(53.25% 0.135 252.7)
XYZ	xyz(15.0611, 15.0421, 47.4477)
Luminance	0.1504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276EB8 #B87127

analogous

#27B6B8 #276EB8 #2927B8

triadic

#276EB8 #B8276E #6EB827

tetradic

#276EB8 #B827B6 #B87127 #27B829

square

#276EB8 #B827B6 #B87127 #27B829

split-complementary

#276EB8 #B82927 #B6B827

monochromatic

#123253 #1C5086 #276EB8 #458DD8 #77ACE2

Accessibility & contrast

On white

5.24

#276EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#276EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276EB8

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276EB8	#FFFFFF	#000000	##FFFFFF
##276EB8	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A73BB

Deuteranopia (green-blind)

#3266B7

Tritanopia (blue-blind)

#00808A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #276eb8;
/* rgb */ color: rgb(39, 110, 184);
/* oklch */ color: oklch(53.3% 0.135 252.7);

Tailwind

colors: {
  custom: {
    50: '#7797ce',
    500: '#276eb8',
    950: '#000000',
  },
}

SCSS

$custom: #276eb8;
$custom-light: #7797ce;
$custom-dark: #000000;

JSON

{
  "hex": "#276eb8",
  "rgb": {
    "r": 39,
    "g": 110,
    "b": 184
  },
  "hsl": {
    "h": 210.621,
    "s": 65.022,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53252,
    "c": 0.13549,
    "h": 252.7
  },
  "luminance": 0.15044
}

Semantic roles & 50–950 ramp

primary

#276EB8

secondary

#CA9E71

accent

#9640E8

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276EB8

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

Preview Lab → · Contrast checker → · Palette generator →