#276CB4#276CB4

#276CB4 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.132 H 252.6°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#276CB4
RGB	rgb(39, 108, 180)
HSL	hsl(211, 64%, 43%)
HSV	hsv(211, 78%, 71%)
CMYK	cmyk(78.3%, 40%, 0%, 29.4%)
CIE-LAB	lab(44.87, 4.38, -44.24)
CIE-LCH	lch(44.87, 44.46, 275.66°)
OKLab	oklab(52.54% -0.0396 -0.1264)
OKLCH	oklch(52.54% 0.132 252.6)
XYZ	xyz(14.4344, 14.4500, 45.1996)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276CB4 #B46F27

analogous

#27B3B4 #276CB4 #2827B4

triadic

#276CB4 #B4276C #6CB427

tetradic

#276CB4 #B427B3 #B46F27 #27B428

square

#276CB4 #B427B3 #B46F27 #27B428

split-complementary

#276CB4 #B42827 #B3B427

monochromatic

#11304F #1C4E82 #276CB4 #428BD6 #74AAE1

Accessibility & contrast

On white

5.40

#276CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#276CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276CB4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276CB4	#FFFFFF	#000000	##FFFFFF
##276CB4	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B7

Deuteranopia (green-blind)

#3264B3

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #276cb4;
/* rgb */ color: rgb(39, 108, 180);
/* oklch */ color: oklch(52.5% 0.132 252.6);

Tailwind

colors: {
  custom: {
    50: '#7695cb',
    500: '#276cb4',
    950: '#000000',
  },
}

SCSS

$custom: #276cb4;
$custom-light: #7695cb;
$custom-dark: #000000;

JSON

{
  "hex": "#276cb4",
  "rgb": {
    "r": 39,
    "g": 108,
    "b": 180
  },
  "hsl": {
    "h": 210.638,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52538,
    "c": 0.13243,
    "h": 252.6
  },
  "luminance": 0.14452
}

Semantic roles & 50–950 ramp

primary

#276CB4

secondary

#C89C6F

accent

#9640E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276CB4

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

Preview Lab → · Contrast checker → · Palette generator →