#276FB0#276FB0

#276FB0 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.0% C 0.124 H 249.6°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#276FB0
RGB	rgb(39, 111, 176)
HSL	hsl(208, 64%, 42%)
HSV	hsv(208, 78%, 69%)
CMYK	cmyk(77.8%, 36.9%, 0%, 31%)
CIE-LAB	lab(45.54, 1.00, -40.84)
CIE-LCH	lch(45.54, 40.86, 271.40°)
OKLab	oklab(52.99% -0.0433 -0.1164)
OKLCH	oklch(52.99% 0.124 249.6)
XYZ	xyz(14.3546, 14.9331, 43.1917)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276FB0 #B06827

analogous

#27B0AD #276FB0 #272BB0

triadic

#276FB0 #B0276F #6FB027

tetradic

#276FB0 #AD27B0 #B06827 #2BB027

square

#276FB0 #AD27B0 #B06827 #2BB027

split-complementary

#276FB0 #B0272B #B0AD27

monochromatic

#11304C #1C4F7E #276FB0 #408ED5 #72ACE0

Accessibility & contrast

On white

5.27

#276FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#276FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276FB0

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276FB0	#FFFFFF	#000000	##FFFFFF
##276FB0	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5173B3

Deuteranopia (green-blind)

#3C66AF

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #276fb0;
/* rgb */ color: rgb(39, 111, 176);
/* oklch */ color: oklch(53.0% 0.124 249.6);

Tailwind

colors: {
  custom: {
    50: '#7697c8',
    500: '#276fb0',
    950: '#000000',
  },
}

SCSS

$custom: #276fb0;
$custom-light: #7697c8;
$custom-dark: #000000;

JSON

{
  "hex": "#276fb0",
  "rgb": {
    "r": 39,
    "g": 111,
    "b": 176
  },
  "hsl": {
    "h": 208.467,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5299,
    "c": 0.12415,
    "h": 249.6
  },
  "luminance": 0.14935
}

Semantic roles & 50–950 ramp

primary

#276FB0

secondary

#C7976C

accent

#9041E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276FB0

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

Preview Lab → · Contrast checker → · Palette generator →