#2951B2#2951B2

#2951B2 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.5% C 0.161 H 264.2°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#2951B2
RGB	rgb(41, 81, 178)
HSL	hsl(222, 63%, 43%)
HSV	hsv(222, 77%, 70%)
CMYK	cmyk(77%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(37.06, 21.36, -55.63)
CIE-LCH	lch(37.06, 59.59, 291.01°)
OKLab	oklab(46.5% -0.0164 -0.1603)
OKLCH	oklch(46.5% 0.161 264.2)
XYZ	xyz(11.8899, 9.5693, 43.3313)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2951B2 #B28A29

analogous

#2995B2 #2951B2 #4629B2

triadic

#2951B2 #B22951 #51B229

tetradic

#2951B2 #B22995 #B28A29 #29B246

square

#2951B2 #B22995 #B28A29 #29B246

split-complementary

#2951B2 #B24629 #95B229

monochromatic

#12244F #1E3A80 #2951B2 #446ED4 #7695DF

Accessibility & contrast

On white

7.21

#2951B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2951B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2951B2

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2951B2	#FFFFFF	#000000	##FFFFFF
##2951B2	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2951b2;
/* rgb */ color: rgb(41, 81, 178);
/* oklch */ color: oklch(46.5% 0.161 264.2);

Tailwind

colors: {
  custom: {
    50: '#7781ca',
    500: '#2951b2',
    950: '#000000',
  },
}

SCSS

$custom: #2951b2;
$custom-light: #7781ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2951b2",
  "rgb": {
    "r": 41,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 222.482,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.46501,
    "c": 0.16119,
    "h": 264.2
  },
  "luminance": 0.09571
}

Semantic roles & 50–950 ramp

primary

#2951B2

secondary

#C7AE70

accent

#B642E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2951B2

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

Preview Lab → · Contrast checker → · Palette generator →