#2B59A8#2B59A8

#2B59A8 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.6% C 0.137 H 260.4°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B59A8
RGB	rgb(43, 89, 168)
HSL	hsl(218, 59%, 41%)
HSV	hsv(218, 74%, 66%)
CMYK	cmyk(74.4%, 47%, 0%, 34.1%)
CIE-LAB	lab(38.70, 12.49, -47.06)
CIE-LCH	lch(38.70, 48.69, 284.86°)
OKLab	oklab(47.55% -0.0227 -0.1349)
OKLCH	oklch(47.55% 0.137 260.4)
XYZ	xyz(11.6340, 10.4842, 38.4487)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59A8 #A87A2B

analogous

#2B98A8 #2B59A8 #3C2BA8

triadic

#2B59A8 #A82B59 #59A82B

tetradic

#2B59A8 #A82B98 #A87A2B #2BA83C

square

#2B59A8 #A82B98 #A87A2B #2BA83C

split-complementary

#2B59A8 #A83C2B #98A82B

monochromatic

#122547 #1F3F77 #2B59A8 #4276CF #7299DB

Accessibility & contrast

On white

6.78

#2B59A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2B59A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59A8

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59A8	#FFFFFF	#000000	##FFFFFF
##2B59A8	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F61AB

Deuteranopia (green-blind)

#1156A6

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b59a8;
/* rgb */ color: rgb(43, 89, 168);
/* oklch */ color: oklch(47.6% 0.137 260.4);

Tailwind

colors: {
  custom: {
    50: '#7587c2',
    500: '#2b59a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b59a8;
$custom-light: #7587c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59a8",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 168
  },
  "hsl": {
    "h": 217.92,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47552,
    "c": 0.13684,
    "h": 260.4
  },
  "luminance": 0.10486
}

Semantic roles & 50–950 ramp

primary

#2B59A8

secondary

#C2A36C

accent

#A945E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2B59A8

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

Preview Lab → · Contrast checker → · Palette generator →