#2A5AB3#2A5AB3

#2A5AB3 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.151 H 261.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#2A5AB3
RGB	rgb(42, 90, 179)
HSL	hsl(219, 62%, 43%)
HSV	hsv(219, 77%, 70%)
CMYK	cmyk(76.5%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(39.68, 15.93, -51.98)
CIE-LCH	lch(39.68, 54.37, 287.04°)
OKLab	oklab(48.53% -0.0226 -0.1494)
OKLCH	oklch(48.53% 0.151 261.4)
XYZ	xyz(12.7448, 11.0578, 44.1018)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5AB3 #B3832A

analogous

#2A9EB3 #2A5AB3 #3E2AB3

triadic

#2A5AB3 #B32A5A #5AB32A

tetradic

#2A5AB3 #B32A9E #B3832A #2AB33E

square

#2A5AB3 #B32A9E #B3832A #2AB33E

split-complementary

#2A5AB3 #B33E2A #9EB32A

monochromatic

#132850 #1E4181 #2A5AB3 #4678D4 #789CDF

Accessibility & contrast

On white

6.54

#2A5AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2A5AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5AB3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5AB3	#FFFFFF	#000000	##FFFFFF
##2A5AB3	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2564B6

Deuteranopia (green-blind)

#0058B1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a5ab3;
/* rgb */ color: rgb(42, 90, 179);
/* oklch */ color: oklch(48.5% 0.151 261.4);

Tailwind

colors: {
  custom: {
    50: '#7888ca',
    500: '#2a5ab3',
    950: '#000000',
  },
}

SCSS

$custom: #2a5ab3;
$custom-light: #7888ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5ab3",
  "rgb": {
    "r": 42,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 218.978,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48528,
    "c": 0.15113,
    "h": 261.4
  },
  "luminance": 0.11059
}

Semantic roles & 50–950 ramp

primary

#2A5AB3

secondary

#C7A972

accent

#AC43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5AB3

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

Preview Lab → · Contrast checker → · Palette generator →