#2970B7#2970B7

#2970B7 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.7% C 0.131 H 251.7°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#2970B7
RGB	rgb(41, 112, 183)
HSL	hsl(210, 63%, 44%)
HSV	hsv(210, 78%, 72%)
CMYK	cmyk(77.6%, 38.8%, 0%, 28.2%)
CIE-LAB	lab(46.28, 3.26, -43.74)
CIE-LCH	lch(46.28, 43.86, 274.26°)
OKLab	oklab(53.71% -0.0413 -0.1248)
OKLCH	oklch(53.71% 0.131 251.7)
XYZ	xyz(15.2526, 15.4769, 46.9740)
Luminance	0.1548 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2970B7 #B77029

analogous

#29B7B7 #2970B7 #2929B7

triadic

#2970B7 #B72970 #70B729

tetradic

#2970B7 #B729B7 #B77029 #29B729

square

#2970B7 #B729B7 #B77029 #29B729

split-complementary

#2970B7 #B72929 #B7B729

monochromatic

#133353 #1E5185 #2970B7 #478FD6 #79ADE1

Accessibility & contrast

On white

5.13

#2970B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#2970B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2970B7

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2970B7	#FFFFFF	#000000	##FFFFFF
##2970B7	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E75BA

Deuteranopia (green-blind)

#3868B6

Tritanopia (blue-blind)

#00818A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2970b7;
/* rgb */ color: rgb(41, 112, 183);
/* oklch */ color: oklch(53.7% 0.131 251.7);

Tailwind

colors: {
  custom: {
    50: '#7898cd',
    500: '#2970b7',
    950: '#000000',
  },
}

SCSS

$custom: #2970b7;
$custom-light: #7898cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2970b7",
  "rgb": {
    "r": 41,
    "g": 112,
    "b": 183
  },
  "hsl": {
    "h": 210,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53709,
    "c": 0.13146,
    "h": 251.7
  },
  "luminance": 0.15479
}

Semantic roles & 50–950 ramp

primary

#2970B7

secondary

#C99E73

accent

#9441E6

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2970B7

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

Preview Lab → · Contrast checker → · Palette generator →