#2B59A1#2B59A1

#2B59A1 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.1% C 0.127 H 259.1°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B59A1
RGB	rgb(43, 89, 161)
HSL	hsl(217, 58%, 40%)
HSV	hsv(217, 73%, 63%)
CMYK	cmyk(73.3%, 44.7%, 0%, 36.9%)
CIE-LAB	lab(38.25, 9.81, -43.60)
CIE-LCH	lch(38.25, 44.69, 282.68°)
OKLab	oklab(47.07% -0.024 -0.1248)
OKLCH	oklch(47.07% 0.127 259.1)
XYZ	xyz(10.9993, 10.2304, 35.1063)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59A1 #A1732B

analogous

#2B94A1 #2B59A1 #382BA1

triadic

#2B59A1 #A12B59 #59A12B

tetradic

#2B59A1 #A12B94 #A1732B #2BA138

square

#2B59A1 #A12B94 #A1732B #2BA138

split-complementary

#2B59A1 #A1382B #94A12B

monochromatic

#112440 #1E3E71 #2B59A1 #3E75CB #6E98D8

Accessibility & contrast

On white

6.89

#2B59A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2B59A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59A1

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59A1	#FFFFFF	#000000	##FFFFFF
##2B59A1	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3560A4

Deuteranopia (green-blind)

#1F55A0

Tritanopia (blue-blind)

#006A75

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2b59a1;
/* rgb */ color: rgb(43, 89, 161);
/* oklch */ color: oklch(47.1% 0.127 259.1);

Tailwind

colors: {
  custom: {
    50: '#7487bd',
    500: '#2b59a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b59a1;
$custom-light: #7487bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59a1",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 161
  },
  "hsl": {
    "h": 216.61,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.47066,
    "c": 0.12708,
    "h": 259.1
  },
  "luminance": 0.10232
}

Semantic roles & 50–950 ramp

primary

#2B59A1

secondary

#BF9D69

accent

#A547E1

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B59A1

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

Preview Lab → · Contrast checker → · Palette generator →