#2959B3#2959B3

#2959B3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.153 H 261.5°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#2959B3
RGB	rgb(41, 89, 179)
HSL	hsl(219, 63%, 43%)
HSV	hsv(219, 77%, 70%)
CMYK	cmyk(77.1%, 50.3%, 0%, 29.8%)
CIE-LAB	lab(39.36, 16.47, -52.50)
CIE-LCH	lch(39.36, 55.02, 287.41°)
OKLab	oklab(48.28% -0.0225 -0.151)
OKLCH	oklch(48.28% 0.153 261.5)
XYZ	xyz(12.6206, 10.8694, 44.0719)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2959B3 #B38329

analogous

#299EB3 #2959B3 #3E29B3

triadic

#2959B3 #B32959 #59B329

tetradic

#2959B3 #B3299E #B38329 #29B33E

square

#2959B3 #B3299E #B38329 #29B33E

split-complementary

#2959B3 #B33E29 #9EB329

monochromatic

#12274F #1E4081 #2959B3 #4577D4 #779BE0

Accessibility & contrast

On white

6.62

#2959B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2959B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2959B3

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2959B3	#FFFFFF	#000000	##FFFFFF
##2959B3	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2263B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2959b3;
/* rgb */ color: rgb(41, 89, 179);
/* oklch */ color: oklch(48.3% 0.153 261.5);

Tailwind

colors: {
  custom: {
    50: '#7787ca',
    500: '#2959b3',
    950: '#000000',
  },
}

SCSS

$custom: #2959b3;
$custom-light: #7787ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2959b3",
  "rgb": {
    "r": 41,
    "g": 89,
    "b": 179
  },
  "hsl": {
    "h": 219.13,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48275,
    "c": 0.15265,
    "h": 261.5
  },
  "luminance": 0.10871
}

Semantic roles & 50–950 ramp

primary

#2959B3

secondary

#C7A970

accent

#AD42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2959B3

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

Preview Lab → · Contrast checker → · Palette generator →