#2971B3#2971B3

#2971B3 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.7% C 0.125 H 249.8°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#2971B3
RGB	rgb(41, 113, 179)
HSL	hsl(209, 63%, 43%)
HSV	hsv(209, 77%, 70%)
CMYK	cmyk(77.1%, 36.9%, 0%, 29.8%)
CIE-LAB	lab(46.36, 1.14, -41.30)
CIE-LCH	lch(46.36, 41.31, 271.58°)
OKLab	oklab(53.7% -0.0432 -0.1176)
OKLCH	oklch(53.7% 0.125 249.8)
XYZ	xyz(14.9532, 15.5346, 44.8495)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2971B3 #B36B29

analogous

#29B3B0 #2971B3 #292CB3

triadic

#2971B3 #B32971 #71B329

tetradic

#2971B3 #B029B3 #B36B29 #2CB329

square

#2971B3 #B029B3 #B36B29 #2CB329

split-complementary

#2971B3 #B3292C #B3B029

monochromatic

#12324F #1E5281 #2971B3 #4590D4 #77ADE0

Accessibility & contrast

On white

5.11

#2971B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#2971B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2971B3

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2971B3	#FFFFFF	#000000	##FFFFFF
##2971B3	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5275B6

Deuteranopia (green-blind)

#3E68B2

Tritanopia (blue-blind)

#008189

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2971b3;
/* rgb */ color: rgb(41, 113, 179);
/* oklch */ color: oklch(53.7% 0.125 249.8);

Tailwind

colors: {
  custom: {
    50: '#7799ca',
    500: '#2971b3',
    950: '#000000',
  },
}

SCSS

$custom: #2971b3;
$custom-light: #7799ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2971b3",
  "rgb": {
    "r": 41,
    "g": 113,
    "b": 179
  },
  "hsl": {
    "h": 208.696,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.53698,
    "c": 0.12531,
    "h": 249.8
  },
  "luminance": 0.15536
}

Semantic roles & 50–950 ramp

primary

#2971B3

secondary

#C79A70

accent

#9042E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2971B3

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

Preview Lab → · Contrast checker → · Palette generator →