#2A58BB#2A58BB

#2A58BB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.165 H 263.0°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#2A58BB
RGB	rgb(42, 88, 187)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 78%, 73%)
CMYK	cmyk(77.5%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(39.68, 20.31, -56.67)
CIE-LCH	lch(39.68, 60.20, 289.72°)
OKLab	oklab(48.71% -0.0201 -0.1633)
OKLCH	oklch(48.71% 0.165 263)
XYZ	xyz(13.4110, 11.0580, 48.4317)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A58BB #BB8D2A

analogous

#2AA0BB #2A58BB #452ABB

triadic

#2A58BB #BB2A58 #58BB2A

tetradic

#2A58BB #BB2AA0 #BB8D2A #2ABB45

square

#2A58BB #BB2AA0 #BB8D2A #2ABB45

split-complementary

#2A58BB #BB452A #A0BB2A

monochromatic

#142957 #1F4089 #2A58BB #4C78D7 #7D9DE2

Accessibility & contrast

On white

6.54

#2A58BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2A58BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A58BB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A58BB	#FFFFFF	#000000	##FFFFFF
##2A58BB	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)

#0E64BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a58bb;
/* rgb */ color: rgb(42, 88, 187);
/* oklch */ color: oklch(48.7% 0.165 263.0);

Tailwind

colors: {
  custom: {
    50: '#7986d0',
    500: '#2a58bb',
    950: '#000000',
  },
}

SCSS

$custom: #2a58bb;
$custom-light: #7986d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a58bb",
  "rgb": {
    "r": 42,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 220.966,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48706,
    "c": 0.16451,
    "h": 263
  },
  "luminance": 0.1106
}

Semantic roles & 50–950 ramp

primary

#2A58BB

secondary

#CAB076

accent

#B241E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2A58BB

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

Preview Lab → · Contrast checker → · Palette generator →