#2B59A5#2B59A5

#2B59A5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.3% C 0.133 H 259.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B59A5
RGB	rgb(43, 89, 165)
HSL	hsl(217, 59%, 41%)
HSV	hsv(217, 74%, 65%)
CMYK	cmyk(73.9%, 46.1%, 0%, 35.3%)
CIE-LAB	lab(38.50, 11.34, -45.58)
CIE-LCH	lch(38.50, 46.97, 283.97°)
OKLab	oklab(47.34% -0.0232 -0.1306)
OKLCH	oklch(47.34% 0.133 259.9)
XYZ	xyz(11.3577, 10.3737, 36.9938)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59A5 #A5772B

analogous

#2B96A5 #2B59A5 #3A2BA5

triadic

#2B59A5 #A52B59 #59A52B

tetradic

#2B59A5 #A52B96 #A5772B #2BA53A

square

#2B59A5 #A52B96 #A5772B #2BA53A

split-complementary

#2B59A5 #A53A2B #96A52B

monochromatic

#122544 #1E3F74 #2B59A5 #4075CD #7198DA

Accessibility & contrast

On white

6.83

#2B59A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2B59A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59A5

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59A5	#FFFFFF	#000000	##FFFFFF
##2B59A5	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3261A8

Deuteranopia (green-blind)

#1855A3

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b59a5;
/* rgb */ color: rgb(43, 89, 165);
/* oklch */ color: oklch(47.3% 0.133 259.9);

Tailwind

colors: {
  custom: {
    50: '#7587c0',
    500: '#2b59a5',
    950: '#000000',
  },
}

SCSS

$custom: #2b59a5;
$custom-light: #7587c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59a5",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 165
  },
  "hsl": {
    "h": 217.377,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.47342,
    "c": 0.13266,
    "h": 259.9
  },
  "luminance": 0.10375
}

Semantic roles & 50–950 ramp

primary

#2B59A5

secondary

#C1A16B

accent

#A746E2

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B59A5

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

Preview Lab → · Contrast checker → · Palette generator →