#2A58B8#2A58B8

#2A58B8 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.5% C 0.160 H 262.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A58B8
RGB	rgb(42, 88, 184)
HSL	hsl(221, 63%, 44%)
HSV	hsv(221, 77%, 72%)
CMYK	cmyk(77.2%, 52.2%, 0%, 27.8%)
CIE-LAB	lab(39.46, 19.16, -55.26)
CIE-LCH	lch(39.46, 58.49, 289.12°)
OKLab	oklab(48.48% -0.0204 -0.1591)
OKLCH	oklch(48.48% 0.16 262.7)
XYZ	xyz(13.0932, 10.9309, 46.7579)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A58B8 #B88A2A

analogous

#2A9FB8 #2A58B8 #432AB8

triadic

#2A58B8 #B82A58 #58B82A

tetradic

#2A58B8 #B82A9F #B88A2A #2AB843

square

#2A58B8 #B82A9F #B88A2A #2AB843

split-complementary

#2A58B8 #B8432A #9FB82A

monochromatic

#132854 #1F4086 #2A58B8 #4A77D6 #7B9CE1

Accessibility & contrast

On white

6.59

#2A58B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2A58B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A58B8

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A58B8	#FFFFFF	#000000	##FFFFFF
##2A58B8	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1664BB

Deuteranopia (green-blind)

#0057B6

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a58b8;
/* rgb */ color: rgb(42, 88, 184);
/* oklch */ color: oklch(48.5% 0.160 262.7);

Tailwind

colors: {
  custom: {
    50: '#7986ce',
    500: '#2a58b8',
    950: '#000000',
  },
}

SCSS

$custom: #2a58b8;
$custom-light: #7986ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a58b8",
  "rgb": {
    "r": 42,
    "g": 88,
    "b": 184
  },
  "hsl": {
    "h": 220.563,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48475,
    "c": 0.16043,
    "h": 262.7
  },
  "luminance": 0.10932
}

Semantic roles & 50–950 ramp

primary

#2A58B8

secondary

#C9AE75

accent

#B142E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2A58B8

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

Preview Lab → · Contrast checker → · Palette generator →