#2955B3#2955B3

#2955B3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.158 H 262.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#2955B3
RGB	rgb(41, 85, 179)
HSL	hsl(221, 63%, 43%)
HSV	hsv(221, 77%, 70%)
CMYK	cmyk(77.1%, 52.5%, 0%, 29.8%)
CIE-LAB	lab(38.24, 19.10, -54.31)
CIE-LCH	lch(38.24, 57.57, 289.38°)
OKLab	oklab(47.42% -0.0193 -0.1564)
OKLCH	oklch(47.42% 0.158 262.9)
XYZ	xyz(12.2967, 10.2217, 43.9640)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2955B3 #B38729

analogous

#299AB3 #2955B3 #4229B3

triadic

#2955B3 #B32955 #55B329

tetradic

#2955B3 #B3299A #B38729 #29B342

square

#2955B3 #B3299A #B38729 #29B342

split-complementary

#2955B3 #B34229 #9AB329

monochromatic

#12264F #1E3D81 #2955B3 #4573D4 #7798E0

Accessibility & contrast

On white

6.90

#2955B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2955B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2955B3

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2955B3	#FFFFFF	#000000	##FFFFFF
##2955B3	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1361B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2955b3;
/* rgb */ color: rgb(41, 85, 179);
/* oklch */ color: oklch(47.4% 0.158 262.9);

Tailwind

colors: {
  custom: {
    50: '#7784ca',
    500: '#2955b3',
    950: '#000000',
  },
}

SCSS

$custom: #2955b3;
$custom-light: #7784ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2955b3",
  "rgb": {
    "r": 41,
    "g": 85,
    "b": 179
  },
  "hsl": {
    "h": 220.87,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.47419,
    "c": 0.15759,
    "h": 262.9
  },
  "luminance": 0.10223
}

Semantic roles & 50–950 ramp

primary

#2955B3

secondary

#C7AC70

accent

#B242E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2955B3

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

Preview Lab → · Contrast checker → · Palette generator →