#2B5BAA#2B5BAA

#2B5BAA is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.1% C 0.137 H 259.9°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BAA
RGB	rgb(43, 91, 170)
HSL	hsl(217, 60%, 42%)
HSV	hsv(217, 75%, 67%)
CMYK	cmyk(74.7%, 46.5%, 0%, 33.3%)
CIE-LAB	lab(39.41, 11.95, -47.11)
CIE-LCH	lch(39.41, 48.60, 284.23°)
OKLab	oklab(48.14% -0.0241 -0.135)
OKLCH	oklch(48.14% 0.137 259.9)
XYZ	xyz(11.9904, 10.8967, 39.4938)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BAA #AA7A2B

analogous

#2B9BAA #2B5BAA #3B2BAA

triadic

#2B5BAA #AA2B5B #5BAA2B

tetradic

#2B5BAA #AA2B9B #AA7A2B #2BAA3B

square

#2B5BAA #AA2B9B #AA7A2B #2BAA3B

split-complementary

#2B5BAA #AA3B2B #9BAA2B

monochromatic

#122748 #1F4179 #2B5BAA #4378CF #749BDC

Accessibility & contrast

On white

6.60

#2B5BAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#2B5BAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BAA

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BAA	#FFFFFF	#000000	##FFFFFF
##2B5BAA	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3263AD

Deuteranopia (green-blind)

#1557A8

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2b5baa;
/* rgb */ color: rgb(43, 91, 170);
/* oklch */ color: oklch(48.1% 0.137 259.9);

Tailwind

colors: {
  custom: {
    50: '#7688c4',
    500: '#2b5baa',
    950: '#000000',
  },
}

SCSS

$custom: #2b5baa;
$custom-light: #7688c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5baa",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 170
  },
  "hsl": {
    "h": 217.323,
    "s": 59.624,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48139,
    "c": 0.13719,
    "h": 259.9
  },
  "luminance": 0.10898
}

Semantic roles & 50–950 ramp

primary

#2B5BAA

secondary

#C3A36E

accent

#A745E3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5BAA

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

Preview Lab → · Contrast checker → · Palette generator →