#2971EA#2971EA

#2971EA is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.197 H 260.3°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#2971EA
RGB	rgb(41, 113, 234)
HSL	hsl(218, 82%, 54%)
HSV	hsv(218, 82%, 92%)
CMYK	cmyk(82.5%, 51.7%, 0%, 8.2%)
CIE-LAB	lab(49.76, 21.98, -67.24)
CIE-LCH	lch(49.76, 70.74, 288.10°)
OKLab	oklab(57.42% -0.033 -0.1939)
OKLCH	oklch(57.42% 0.197 260.3)
XYZ	xyz(21.6654, 18.2195, 80.2008)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2971EA #EAA229

analogous

#29D1EA #2971EA #4229EA

triadic

#2971EA #EA2971 #71EA29

tetradic

#2971EA #EA29D1 #EAA229 #29EA42

square

#2971EA #EA29D1 #EAA229 #29EA42

split-complementary

#2971EA #EA4229 #D1EA29

monochromatic

#0E3C8B #1355C3 #2971EA #6196EF #98BBF5

Accessibility & contrast

On white

4.52

#2971EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#2971EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2971EA

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2971EA	#FFFFFF	#000000	##000000
##2971EA	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#177FEE

Deuteranopia (green-blind)

#006EE8

Tritanopia (blue-blind)

#008FA3

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2971ea;
/* rgb */ color: rgb(41, 113, 234);
/* oklch */ color: oklch(57.4% 0.197 260.3);

Tailwind

colors: {
  custom: {
    50: '#8399f2',
    500: '#2971ea',
    950: '#000000',
  },
}

SCSS

$custom: #2971ea;
$custom-light: #8399f2;
$custom-dark: #000000;

JSON

{
  "hex": "#2971ea",
  "rgb": {
    "r": 41,
    "g": 113,
    "b": 234
  },
  "hsl": {
    "h": 217.617,
    "s": 82.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57422,
    "c": 0.19669,
    "h": 260.3
  },
  "luminance": 0.18222
}

Semantic roles & 50–950 ramp

primary

#2971EA

secondary

#E1C28E

accent

#AD2FF8

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #2971EA

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

Preview Lab → · Contrast checker → · Palette generator →