#2B59B3#2B59B3

#2B59B3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.152 H 262.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B59B3
RGB	rgb(43, 89, 179)
HSL	hsl(220, 61%, 44%)
HSV	hsv(220, 76%, 70%)
CMYK	cmyk(76%, 50.3%, 0%, 29.8%)
CIE-LAB	lab(39.43, 16.71, -52.38)
CIE-LCH	lch(39.43, 54.98, 287.69°)
OKLab	oklab(48.35% -0.0211 -0.1506)
OKLCH	oklch(48.35% 0.152 262)
XYZ	xyz(12.7024, 10.9116, 44.0758)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59B3 #B3852B

analogous

#2B9DB3 #2B59B3 #412BB3

triadic

#2B59B3 #B32B59 #59B32B

tetradic

#2B59B3 #B32B9D #B3852B #2BB341

square

#2B59B3 #B32B9D #B3852B #2BB341

split-complementary

#2B59B3 #B3412B #9DB32B

monochromatic

#132850 #1F4082 #2B59B3 #4877D3 #799CDF

Accessibility & contrast

On white

6.60

#2B59B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#2B59B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59B3

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59B3	#FFFFFF	#000000	##FFFFFF
##2B59B3	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2363B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2b59b3;
/* rgb */ color: rgb(43, 89, 179);
/* oklch */ color: oklch(48.3% 0.152 262.0);

Tailwind

colors: {
  custom: {
    50: '#7887ca',
    500: '#2b59b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b59b3;
$custom-light: #7887ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59b3",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 179
  },
  "hsl": {
    "h": 219.706,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48349,
    "c": 0.15207,
    "h": 262
  },
  "luminance": 0.10913
}

Semantic roles & 50–950 ramp

primary

#2B59B3

secondary

#C7AB73

accent

#AE43E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B59B3

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

Preview Lab → · Contrast checker → · Palette generator →