#2A5BB8#2A5BB8

#2A5BB8 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.157 H 261.7°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BB8
RGB	rgb(42, 91, 184)
HSL	hsl(219, 63%, 44%)
HSV	hsv(219, 77%, 72%)
CMYK	cmyk(77.2%, 50.5%, 0%, 27.8%)
CIE-LAB	lab(40.30, 17.19, -53.91)
CIE-LCH	lch(40.30, 56.58, 287.69°)
OKLab	oklab(49.11% -0.0227 -0.1551)
OKLCH	oklch(49.11% 0.157 261.7)
XYZ	xyz(13.3445, 11.4336, 46.8417)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BB8 #B8872A

analogous

#2AA2B8 #2A5BB8 #402AB8

triadic

#2A5BB8 #B82A5B #5BB82A

tetradic

#2A5BB8 #B82AA2 #B8872A #2AB840

square

#2A5BB8 #B82AA2 #B8872A #2AB840

split-complementary

#2A5BB8 #B8402A #A2B82A

monochromatic

#132A54 #1F4286 #2A5BB8 #4A7AD6 #7B9EE1

Accessibility & contrast

On white

6.39

#2A5BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2A5BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BB8

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BB8	#FFFFFF	#000000	##FFFFFF
##2A5BB8	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2166BB

Deuteranopia (green-blind)

#0059B6

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5bb8;
/* rgb */ color: rgb(42, 91, 184);
/* oklch */ color: oklch(49.1% 0.157 261.7);

Tailwind

colors: {
  custom: {
    50: '#7988ce',
    500: '#2a5bb8',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bb8;
$custom-light: #7988ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bb8",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 184
  },
  "hsl": {
    "h": 219.296,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49114,
    "c": 0.15675,
    "h": 261.7
  },
  "luminance": 0.11435
}

Semantic roles & 50–950 ramp

primary

#2A5BB8

secondary

#C9AC75

accent

#AD42E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2A5BB8

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

Preview Lab → · Contrast checker → · Palette generator →