#2B5AA4#2B5AA4

#2B5AA4 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.5% C 0.130 H 259.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B5AA4
RGB	rgb(43, 90, 164)
HSL	hsl(217, 58%, 41%)
HSV	hsv(217, 74%, 64%)
CMYK	cmyk(73.8%, 45.1%, 0%, 35.7%)
CIE-LAB	lab(38.73, 10.30, -44.62)
CIE-LCH	lch(38.73, 45.80, 283.00°)
OKLab	oklab(47.5% -0.0243 -0.1278)
OKLCH	oklch(47.5% 0.13 259.2)
XYZ	xyz(11.3508, 10.5050, 36.5442)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5AA4 #A4752B

analogous

#2B96A4 #2B5AA4 #382BA4

triadic

#2B5AA4 #A42B5A #5AA42B

tetradic

#2B5AA4 #A42B96 #A4752B #2BA438

square

#2B5AA4 #A42B96 #A4752B #2BA438

split-complementary

#2B5AA4 #A4382B #96A42B

monochromatic

#122543 #1E3F74 #2B5AA4 #3F76CD #7099D9

Accessibility & contrast

On white

6.77

#2B5AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2B5AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5AA4

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5AA4	#FFFFFF	#000000	##FFFFFF
##2B5AA4	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3561A7

Deuteranopia (green-blind)

#1D56A3

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b5aa4;
/* rgb */ color: rgb(43, 90, 164);
/* oklch */ color: oklch(47.5% 0.130 259.2);

Tailwind

colors: {
  custom: {
    50: '#7588bf',
    500: '#2b5aa4',
    950: '#000000',
  },
}

SCSS

$custom: #2b5aa4;
$custom-light: #7588bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5aa4",
  "rgb": {
    "r": 43,
    "g": 90,
    "b": 164
  },
  "hsl": {
    "h": 216.694,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47498,
    "c": 0.13006,
    "h": 259.2
  },
  "luminance": 0.10506
}

Semantic roles & 50–950 ramp

primary

#2B5AA4

secondary

#C19F6A

accent

#A546E2

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B5AA4

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

Preview Lab → · Contrast checker → · Palette generator →