#2970BB#2970BB

#2970BB is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 54.0% C 0.137 H 252.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#2970BB
RGB	rgb(41, 112, 187)
HSL	hsl(211, 64%, 45%)
HSV	hsv(211, 78%, 73%)
CMYK	cmyk(78.1%, 40.1%, 0%, 26.7%)
CIE-LAB	lab(46.51, 4.77, -45.70)
CIE-LCH	lch(46.51, 45.95, 275.96°)
OKLab	oklab(53.96% -0.0403 -0.1306)
OKLCH	oklch(53.96% 0.137 252.8)
XYZ	xyz(15.6749, 15.6458, 49.1979)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2970BB #BB7429

analogous

#29B9BB #2970BB #2B29BB

triadic

#2970BB #BB2970 #70BB29

tetradic

#2970BB #BB29B9 #BB7429 #29BB2B

square

#2970BB #BB29B9 #BB7429 #29BB2B

split-complementary

#2970BB #BB2B29 #B9BB29

monochromatic

#133457 #1E5289 #2970BB #4A8FD7 #7CAEE2

Accessibility & contrast

On white

5.09

#2970BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#2970BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2970BB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2970BB	#FFFFFF	#000000	##FFFFFF
##2970BB	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C75BE

Deuteranopia (green-blind)

#3468BA

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2970bb;
/* rgb */ color: rgb(41, 112, 187);
/* oklch */ color: oklch(54.0% 0.137 252.8);

Tailwind

colors: {
  custom: {
    50: '#7898d0',
    500: '#2970bb',
    950: '#000000',
  },
}

SCSS

$custom: #2970bb;
$custom-light: #7898d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2970bb",
  "rgb": {
    "r": 41,
    "g": 112,
    "b": 187
  },
  "hsl": {
    "h": 210.822,
    "s": 64.035,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53959,
    "c": 0.13664,
    "h": 252.8
  },
  "luminance": 0.15648
}

Semantic roles & 50–950 ramp

primary

#2970BB

secondary

#CBA175

accent

#9641E7

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2970BB

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

Preview Lab → · Contrast checker → · Palette generator →