#2A58B9#2A58B9

#2A58B9 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.162 H 262.8°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#2A58B9
RGB	rgb(42, 88, 185)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 77%, 73%)
CMYK	cmyk(77.3%, 52.4%, 0%, 27.5%)
CIE-LAB	lab(39.53, 19.54, -55.73)
CIE-LCH	lch(39.53, 59.06, 289.32°)
OKLab	oklab(48.55% -0.0203 -0.1605)
OKLCH	oklch(48.55% 0.162 262.8)
XYZ	xyz(13.1984, 10.9730, 47.3119)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A58B9 #B98B2A

analogous

#2AA0B9 #2A58B9 #432AB9

triadic

#2A58B9 #B92A58 #58B92A

tetradic

#2A58B9 #B92AA0 #B98B2A #2AB943

square

#2A58B9 #B92AA0 #B98B2A #2AB943

split-complementary

#2A58B9 #B9432A #A0B92A

monochromatic

#132955 #1F4087 #2A58B9 #4A77D6 #7C9DE1

Accessibility & contrast

On white

6.57

#2A58B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2A58B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A58B9

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A58B9	#FFFFFF	#000000	##FFFFFF
##2A58B9	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1464BC

Deuteranopia (green-blind)

#0057B7

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a58b9;
/* rgb */ color: rgb(42, 88, 185);
/* oklch */ color: oklch(48.6% 0.162 262.8);

Tailwind

colors: {
  custom: {
    50: '#7986cf',
    500: '#2a58b9',
    950: '#000000',
  },
}

SCSS

$custom: #2a58b9;
$custom-light: #7986cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a58b9",
  "rgb": {
    "r": 42,
    "g": 88,
    "b": 185
  },
  "hsl": {
    "h": 220.699,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48552,
    "c": 0.16179,
    "h": 262.8
  },
  "luminance": 0.10974
}

Semantic roles & 50–950 ramp

primary

#2A58B9

secondary

#CAAE75

accent

#B142E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2A58B9

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

Preview Lab → · Contrast checker → · Palette generator →