#276CB3#276CB3

#276CB3 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.5% C 0.131 H 252.3°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#276CB3
RGB	rgb(39, 108, 179)
HSL	hsl(210, 64%, 43%)
HSV	hsv(210, 78%, 70%)
CMYK	cmyk(78.2%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(44.81, 4.00, -43.75)
CIE-LCH	lch(44.81, 43.94, 275.23°)
OKLab	oklab(52.48% -0.0398 -0.1249)
OKLCH	oklch(52.48% 0.131 252.3)
XYZ	xyz(14.3329, 14.4094, 44.6650)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276CB3 #B36E27

analogous

#27B2B3 #276CB3 #2827B3

triadic

#276CB3 #B3276C #6CB327

tetradic

#276CB3 #B327B2 #B36E27 #27B328

square

#276CB3 #B327B2 #B36E27 #27B328

split-complementary

#276CB3 #B32827 #B2B327

monochromatic

#112F4E #1C4E81 #276CB3 #418BD6 #74A9E1

Accessibility & contrast

On white

5.41

#276CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#276CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276CB3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276CB3	#FFFFFF	#000000	##FFFFFF
##276CB3	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A71B6

Deuteranopia (green-blind)

#3464B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #276cb3;
/* rgb */ color: rgb(39, 108, 179);
/* oklch */ color: oklch(52.5% 0.131 252.3);

Tailwind

colors: {
  custom: {
    50: '#7695ca',
    500: '#276cb3',
    950: '#000000',
  },
}

SCSS

$custom: #276cb3;
$custom-light: #7695ca;
$custom-dark: #000000;

JSON

{
  "hex": "#276cb3",
  "rgb": {
    "r": 39,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 210.429,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52475,
    "c": 0.13113,
    "h": 252.3
  },
  "luminance": 0.14411
}

Semantic roles & 50–950 ramp

primary

#276CB3

secondary

#C89C6E

accent

#9541E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276CB3

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

Preview Lab → · Contrast checker → · Palette generator →