#2951B9#2951B9

#2951B9 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.1% C 0.171 H 264.7°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#2951B9
RGB	rgb(41, 81, 185)
HSL	hsl(223, 64%, 44%)
HSV	hsv(223, 78%, 73%)
CMYK	cmyk(77.8%, 56.2%, 0%, 27.5%)
CIE-LAB	lab(37.59, 24.05, -58.90)
CIE-LCH	lch(37.59, 63.62, 292.21°)
OKLab	oklab(47.07% -0.0159 -0.17)
OKLCH	oklch(47.07% 0.171 264.7)
XYZ	xyz(12.6107, 9.8576, 47.1276)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2951B9 #B99129

analogous

#2999B9 #2951B9 #4929B9

triadic

#2951B9 #B92951 #51B929

tetradic

#2951B9 #B92999 #B99129 #29B949

square

#2951B9 #B92999 #B99129 #29B949

split-complementary

#2951B9 #B94929 #99B929

monochromatic

#132555 #1E3B87 #2951B9 #4970D7 #7B97E2

Accessibility & contrast

On white

7.07

#2951B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2951B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2951B9

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2951B9	#FFFFFF	#000000	##FFFFFF
##2951B9	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBD

Deuteranopia (green-blind)

#0052B7

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2951b9;
/* rgb */ color: rgb(41, 81, 185);
/* oklch */ color: oklch(47.1% 0.171 264.7);

Tailwind

colors: {
  custom: {
    50: '#7981cf',
    500: '#2951b9',
    950: '#000000',
  },
}

SCSS

$custom: #2951b9;
$custom-light: #7981cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2951b9",
  "rgb": {
    "r": 41,
    "g": 81,
    "b": 185
  },
  "hsl": {
    "h": 223.333,
    "s": 63.717,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47066,
    "c": 0.1707,
    "h": 264.7
  },
  "luminance": 0.09859
}

Semantic roles & 50–950 ramp

primary

#2951B9

secondary

#CAB274

accent

#B941E7

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2951B9

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

Preview Lab → · Contrast checker → · Palette generator →