#276FB4#276FB4

#276FB4 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.2% C 0.129 H 250.9°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#276FB4
RGB	rgb(39, 111, 180)
HSL	hsl(209, 64%, 43%)
HSV	hsv(209, 78%, 71%)
CMYK	cmyk(78.3%, 38.3%, 0%, 29.4%)
CIE-LAB	lab(45.76, 2.51, -42.83)
CIE-LCH	lch(45.76, 42.90, 273.36°)
OKLab	oklab(53.23% -0.0422 -0.1222)
OKLCH	oklch(53.23% 0.129 250.9)
XYZ	xyz(14.7562, 15.0937, 45.3068)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276FB4 #B46C27

analogous

#27B4B3 #276FB4 #2728B4

triadic

#276FB4 #B4276F #6FB427

tetradic

#276FB4 #B327B4 #B46C27 #28B427

square

#276FB4 #B327B4 #B46C27 #28B427

split-complementary

#276FB4 #B42728 #B4B327

monochromatic

#11314F #1C5082 #276FB4 #428ED6 #74ACE1

Accessibility & contrast

On white

5.22

#276FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#276FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276FB4

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276FB4	#FFFFFF	#000000	##FFFFFF
##276FB4	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B7

Deuteranopia (green-blind)

#3866B3

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #276fb4;
/* rgb */ color: rgb(39, 111, 180);
/* oklch */ color: oklch(53.2% 0.129 250.9);

Tailwind

colors: {
  custom: {
    50: '#7697cb',
    500: '#276fb4',
    950: '#000000',
  },
}

SCSS

$custom: #276fb4;
$custom-light: #7697cb;
$custom-dark: #000000;

JSON

{
  "hex": "#276fb4",
  "rgb": {
    "r": 39,
    "g": 111,
    "b": 180
  },
  "hsl": {
    "h": 209.362,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53234,
    "c": 0.12926,
    "h": 250.9
  },
  "luminance": 0.15096
}

Semantic roles & 50–950 ramp

primary

#276FB4

secondary

#C89A6F

accent

#9240E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276FB4

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

Preview Lab → · Contrast checker → · Palette generator →