#2B59A9#2B59A9

#2B59A9 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.6% C 0.138 H 260.6°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B59A9
RGB	rgb(43, 89, 169)
HSL	hsl(218, 59%, 42%)
HSV	hsv(218, 75%, 66%)
CMYK	cmyk(74.6%, 47.3%, 0%, 33.7%)
CIE-LAB	lab(38.76, 12.87, -47.55)
CIE-LCH	lch(38.76, 49.26, 285.15°)
OKLab	oklab(47.62% -0.0225 -0.1364)
OKLCH	oklch(47.62% 0.138 260.6)
XYZ	xyz(11.7275, 10.5216, 38.9412)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59A9 #A97B2B

analogous

#2B98A9 #2B59A9 #3C2BA9

triadic

#2B59A9 #A92B59 #59A92B

tetradic

#2B59A9 #A92B98 #A97B2B #2BA93C

square

#2B59A9 #A92B98 #A97B2B #2BA93C

split-complementary

#2B59A9 #A93C2B #98A92B

monochromatic

#122647 #1F3F78 #2B59A9 #4276CF #7399DB

Accessibility & contrast

On white

6.76

#2B59A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2B59A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59A9

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59A9	#FFFFFF	#000000	##FFFFFF
##2B59A9	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E61AC

Deuteranopia (green-blind)

#0E56A7

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b59a9;
/* rgb */ color: rgb(43, 89, 169);
/* oklch */ color: oklch(47.6% 0.138 260.6);

Tailwind

colors: {
  custom: {
    50: '#7687c3',
    500: '#2b59a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b59a9;
$custom-light: #7687c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59a9",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 169
  },
  "hsl": {
    "h": 218.095,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47623,
    "c": 0.13823,
    "h": 260.6
  },
  "luminance": 0.10523
}

Semantic roles & 50–950 ramp

primary

#2B59A9

secondary

#C3A36D

accent

#A945E3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2B59A9

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

Preview Lab → · Contrast checker → · Palette generator →