#276CB0#276CB0

#276CB0 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.3% C 0.127 H 251.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#276CB0
RGB	rgb(39, 108, 176)
HSL	hsl(210, 64%, 42%)
HSV	hsv(210, 78%, 69%)
CMYK	cmyk(77.8%, 38.6%, 0%, 31%)
CIE-LAB	lab(44.65, 2.86, -42.27)
CIE-LCH	lch(44.65, 42.37, 273.87°)
OKLab	oklab(52.29% -0.0406 -0.1206)
OKLCH	oklch(52.29% 0.127 251.4)
XYZ	xyz(14.0328, 14.2894, 43.0844)
Luminance	0.1429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276CB0 #B06B27

analogous

#27B0B0 #276CB0 #2728B0

triadic

#276CB0 #B0276C #6CB027

tetradic

#276CB0 #B027B0 #B06B27 #28B027

square

#276CB0 #B027B0 #B06B27 #28B027

split-complementary

#276CB0 #B02728 #B0B027

monochromatic

#112F4C #1C4D7E #276CB0 #408BD5 #72A9E0

Accessibility & contrast

On white

5.44

#276CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#276CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276CB0

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276CB0	#FFFFFF	#000000	##FFFFFF
##276CB0	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C70B3

Deuteranopia (green-blind)

#3664AF

Tritanopia (blue-blind)

#007C85

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #276cb0;
/* rgb */ color: rgb(39, 108, 176);
/* oklch */ color: oklch(52.3% 0.127 251.4);

Tailwind

colors: {
  custom: {
    50: '#7695c8',
    500: '#276cb0',
    950: '#000000',
  },
}

SCSS

$custom: #276cb0;
$custom-light: #7695c8;
$custom-dark: #000000;

JSON

{
  "hex": "#276cb0",
  "rgb": {
    "r": 39,
    "g": 108,
    "b": 176
  },
  "hsl": {
    "h": 209.781,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52287,
    "c": 0.12723,
    "h": 251.4
  },
  "luminance": 0.14291
}

Semantic roles & 50–950 ramp

primary

#276CB0

secondary

#C7996C

accent

#9341E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276CB0

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

Preview Lab → · Contrast checker → · Palette generator →