#2A5CB3#2A5CB3

#2A5CB3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.149 H 260.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#2A5CB3
RGB	rgb(42, 92, 179)
HSL	hsl(218, 62%, 43%)
HSV	hsv(218, 77%, 70%)
CMYK	cmyk(76.5%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(40.25, 14.62, -51.07)
CIE-LCH	lch(40.25, 53.12, 285.98°)
OKLab	oklab(48.96% -0.0242 -0.1467)
OKLCH	oklch(48.96% 0.149 260.6)
XYZ	xyz(12.9157, 11.3997, 44.1588)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5CB3 #B3812A

analogous

#2AA0B3 #2A5CB3 #3C2AB3

triadic

#2A5CB3 #B32A5C #5CB32A

tetradic

#2A5CB3 #B32AA0 #B3812A #2AB33C

square

#2A5CB3 #B32AA0 #B3812A #2AB33C

split-complementary

#2A5CB3 #B33C2A #A0B32A

monochromatic

#132950 #1E4381 #2A5CB3 #467AD4 #789EDF

Accessibility & contrast

On white

6.40

#2A5CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2A5CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5CB3

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5CB3	#FFFFFF	#000000	##FFFFFF
##2A5CB3	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B6

Deuteranopia (green-blind)

#0059B1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5cb3;
/* rgb */ color: rgb(42, 92, 179);
/* oklch */ color: oklch(49.0% 0.149 260.6);

Tailwind

colors: {
  custom: {
    50: '#7789ca',
    500: '#2a5cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a5cb3;
$custom-light: #7789ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5cb3",
  "rgb": {
    "r": 42,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 218.102,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48963,
    "c": 0.14869,
    "h": 260.6
  },
  "luminance": 0.11401
}

Semantic roles & 50–950 ramp

primary

#2A5CB3

secondary

#C7A872

accent

#AA43E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5CB3

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

Preview Lab → · Contrast checker → · Palette generator →