#2971B2#2971B2

#2971B2 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.6% C 0.124 H 249.5°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#2971B2
RGB	rgb(41, 113, 178)
HSL	hsl(208, 63%, 43%)
HSV	hsv(208, 77%, 70%)
CMYK	cmyk(77%, 36.5%, 0%, 30.2%)
CIE-LAB	lab(46.30, 0.76, -40.80)
CIE-LCH	lch(46.30, 40.81, 271.07°)
OKLab	oklab(53.64% -0.0435 -0.1162)
OKLCH	oklch(53.64% 0.124 249.5)
XYZ	xyz(14.8524, 15.4943, 44.3188)
Luminance	0.1550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2971B2 #B26A29

analogous

#29B2AE #2971B2 #292DB2

triadic

#2971B2 #B22971 #71B229

tetradic

#2971B2 #AE29B2 #B26A29 #2DB229

square

#2971B2 #AE29B2 #B26A29 #2DB229

split-complementary

#2971B2 #B2292D #B2AE29

monochromatic

#12324F #1E5180 #2971B2 #4490D4 #76ADDF

Accessibility & contrast

On white

5.12

#2971B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#2971B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2971B2

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2971B2	#FFFFFF	#000000	##FFFFFF
##2971B2	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5375B5

Deuteranopia (green-blind)

#3E68B1

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2971b2;
/* rgb */ color: rgb(41, 113, 178);
/* oklch */ color: oklch(53.6% 0.124 249.5);

Tailwind

colors: {
  custom: {
    50: '#7799c9',
    500: '#2971b2',
    950: '#000000',
  },
}

SCSS

$custom: #2971b2;
$custom-light: #7799c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2971b2",
  "rgb": {
    "r": 41,
    "g": 113,
    "b": 178
  },
  "hsl": {
    "h": 208.467,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53638,
    "c": 0.12404,
    "h": 249.5
  },
  "luminance": 0.15496
}

Semantic roles & 50–950 ramp

primary

#2971B2

secondary

#C79970

accent

#9042E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2971B2

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

Preview Lab → · Contrast checker → · Palette generator →