#276CB8#276CB8

#276CB8 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.8% C 0.138 H 253.7°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#276CB8
RGB	rgb(39, 108, 184)
HSL	hsl(211, 65%, 44%)
HSV	hsv(211, 79%, 72%)
CMYK	cmyk(78.8%, 41.3%, 0%, 27.8%)
CIE-LAB	lab(45.10, 5.91, -46.20)
CIE-LCH	lch(45.10, 46.58, 277.29°)
OKLab	oklab(52.79% -0.0386 -0.1321)
OKLCH	oklch(52.79% 0.138 253.7)
XYZ	xyz(14.8478, 14.6154, 47.3766)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276CB8 #B87327

analogous

#27B4B8 #276CB8 #2A27B8

triadic

#276CB8 #B8276C #6CB827

tetradic

#276CB8 #B827B4 #B87327 #27B82A

square

#276CB8 #B827B4 #B87327 #27B82A

split-complementary

#276CB8 #B82A27 #B4B827

monochromatic

#123153 #1C4E86 #276CB8 #458BD8 #77AAE2

Accessibility & contrast

On white

5.35

#276CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#276CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276CB8

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276CB8	#FFFFFF	#000000	##FFFFFF
##276CB8	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4772BB

Deuteranopia (green-blind)

#2E65B6

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #276cb8;
/* rgb */ color: rgb(39, 108, 184);
/* oklch */ color: oklch(52.8% 0.138 253.7);

Tailwind

colors: {
  custom: {
    50: '#7795ce',
    500: '#276cb8',
    950: '#000000',
  },
}

SCSS

$custom: #276cb8;
$custom-light: #7795ce;
$custom-dark: #000000;

JSON

{
  "hex": "#276cb8",
  "rgb": {
    "r": 39,
    "g": 108,
    "b": 184
  },
  "hsl": {
    "h": 211.448,
    "s": 65.022,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52793,
    "c": 0.13766,
    "h": 253.7
  },
  "luminance": 0.14617
}

Semantic roles & 50–950 ramp

primary

#276CB8

secondary

#CAA071

accent

#9840E8

background

#F7F9FC

surface

#EEF1F9

border

#C9CBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276CB8

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

Preview Lab → · Contrast checker → · Palette generator →