#2A5BAB#2A5BAB

#2A5BAB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.139 H 259.8°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BAB
RGB	rgb(42, 91, 171)
HSL	hsl(217, 61%, 42%)
HSV	hsv(217, 75%, 67%)
CMYK	cmyk(75.4%, 46.8%, 0%, 32.9%)
CIE-LAB	lab(39.43, 12.20, -47.65)
CIE-LCH	lch(39.43, 49.19, 284.36°)
OKLab	oklab(48.17% -0.0247 -0.1367)
OKLCH	oklch(48.17% 0.139 259.8)
XYZ	xyz(12.0440, 10.9133, 39.9919)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BAB #AB7A2A

analogous

#2A9CAB #2A5BAB #3A2AAB

triadic

#2A5BAB #AB2A5B #5BAB2A

tetradic

#2A5BAB #AB2A9C #AB7A2A #2AAB3A

square

#2A5BAB #AB2A9C #AB7A2A #2AAB3A

split-complementary

#2A5BAB #AB3A2A #9CAB2A

monochromatic

#122749 #1E417A #2A5BAB #4278D1 #739BDD

Accessibility & contrast

On white

6.60

#2A5BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#2A5BAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BAB

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BAB	#FFFFFF	#000000	##FFFFFF
##2A5BAB	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)

#3163AE

Deuteranopia (green-blind)

#1157A9

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a5bab;
/* rgb */ color: rgb(42, 91, 171);
/* oklch */ color: oklch(48.2% 0.139 259.8);

Tailwind

colors: {
  custom: {
    50: '#7688c4',
    500: '#2a5bab',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bab;
$custom-light: #7688c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bab",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 171
  },
  "hsl": {
    "h": 217.209,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48171,
    "c": 0.13889,
    "h": 259.8
  },
  "luminance": 0.10915
}

Semantic roles & 50–950 ramp

primary

#2A5BAB

secondary

#C4A36D

accent

#A744E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5BAB

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

Preview Lab → · Contrast checker → · Palette generator →