#2B64B4#2B64B4

#2B64B4 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.8% C 0.140 H 257.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B64B4
RGB	rgb(43, 100, 180)
HSL	hsl(215, 61%, 44%)
HSV	hsv(215, 76%, 71%)
CMYK	cmyk(76.1%, 44.4%, 0%, 29.4%)
CIE-LAB	lab(42.64, 9.94, -47.80)
CIE-LCH	lch(42.64, 48.82, 281.75°)
OKLab	oklab(50.84% -0.0302 -0.1369)
OKLCH	oklch(50.84% 0.14 257.6)
XYZ	xyz(13.7886, 12.9216, 44.9386)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B64B4 #B47B2B

analogous

#2BA8B4 #2B64B4 #362BB4

triadic

#2B64B4 #B42B64 #64B42B

tetradic

#2B64B4 #B42BA8 #B47B2B #2BB436

square

#2B64B4 #B42BA8 #B47B2B #2BB436

split-complementary

#2B64B4 #B4362B #A8B42B

monochromatic

#132D51 #1F4983 #2B64B4 #4982D3 #7AA4DF

Accessibility & contrast

On white

5.86

#2B64B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2B64B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B64B4

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B64B4	#FFFFFF	#000000	##FFFFFF
##2B64B4	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6BB7

Deuteranopia (green-blind)

#205FB2

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b64b4;
/* rgb */ color: rgb(43, 100, 180);
/* oklch */ color: oklch(50.8% 0.140 257.6);

Tailwind

colors: {
  custom: {
    50: '#788fcb',
    500: '#2b64b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b64b4;
$custom-light: #788fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b64b4",
  "rgb": {
    "r": 43,
    "g": 100,
    "b": 180
  },
  "hsl": {
    "h": 215.036,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50841,
    "c": 0.14019,
    "h": 257.6
  },
  "luminance": 0.12923
}

Semantic roles & 50–950 ramp

primary

#2B64B4

secondary

#C7A473

accent

#A143E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B64B4

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

Preview Lab → · Contrast checker → · Palette generator →