#2B59A4#2B59A4

#2B59A4 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.131 H 259.7°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B59A4
RGB	rgb(43, 89, 164)
HSL	hsl(217, 58%, 41%)
HSV	hsv(217, 74%, 64%)
CMYK	cmyk(73.8%, 45.7%, 0%, 35.7%)
CIE-LAB	lab(38.44, 10.96, -45.09)
CIE-LCH	lch(38.44, 46.40, 283.66°)
OKLab	oklab(47.27% -0.0234 -0.1292)
OKLCH	oklch(47.27% 0.131 259.7)
XYZ	xyz(11.2671, 10.3375, 36.5163)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59A4 #A4762B

analogous

#2B95A4 #2B59A4 #392BA4

triadic

#2B59A4 #A42B59 #59A42B

tetradic

#2B59A4 #A42B95 #A4762B #2BA439

square

#2B59A4 #A42B95 #A4762B #2BA439

split-complementary

#2B59A4 #A4392B #95A42B

monochromatic

#122443 #1E3F74 #2B59A4 #3F75CD #7098D9

Accessibility & contrast

On white

6.85

#2B59A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2B59A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59A4

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59A4	#FFFFFF	#000000	##FFFFFF
##2B59A4	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3360A7

Deuteranopia (green-blind)

#1A55A2

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2b59a4;
/* rgb */ color: rgb(43, 89, 164);
/* oklch */ color: oklch(47.3% 0.131 259.7);

Tailwind

colors: {
  custom: {
    50: '#7587bf',
    500: '#2b59a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b59a4;
$custom-light: #7587bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59a4",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 164
  },
  "hsl": {
    "h": 217.19,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47272,
    "c": 0.13127,
    "h": 259.7
  },
  "luminance": 0.10339
}

Semantic roles & 50–950 ramp

primary

#2B59A4

secondary

#C1A06A

accent

#A746E2

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B59A4

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

Preview Lab → · Contrast checker → · Palette generator →