#2A58BC#2A58BC

#2A58BC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.166 H 263.1°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#2A58BC
RGB	rgb(42, 88, 188)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 78%, 74%)
CMYK	cmyk(77.7%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(39.75, 20.69, -57.14)
CIE-LCH	lch(39.75, 60.77, 289.91°)
OKLab	oklab(48.78% -0.02 -0.1646)
OKLCH	oklch(48.78% 0.166 263.1)
XYZ	xyz(13.5184, 11.1010, 48.9974)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A58BC #BC8E2A

analogous

#2AA1BC #2A58BC #452ABC

triadic

#2A58BC #BC2A58 #58BC2A

tetradic

#2A58BC #BC2AA1 #BC8E2A #2ABC45

square

#2A58BC #BC2AA1 #BC8E2A #2ABC45

split-complementary

#2A58BC #BC452A #A1BC2A

monochromatic

#142958 #1F418A #2A58BC #4C78D7 #7E9EE2

Accessibility & contrast

On white

6.52

#2A58BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2A58BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A58BC

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A58BC	#FFFFFF	#000000	##FFFFFF
##2A58BC	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B65C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a58bc;
/* rgb */ color: rgb(42, 88, 188);
/* oklch */ color: oklch(48.8% 0.166 263.1);

Tailwind

colors: {
  custom: {
    50: '#7a86d1',
    500: '#2a58bc',
    950: '#000000',
  },
}

SCSS

$custom: #2a58bc;
$custom-light: #7a86d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a58bc",
  "rgb": {
    "r": 42,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 221.096,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48783,
    "c": 0.16586,
    "h": 263.1
  },
  "luminance": 0.11103
}

Semantic roles & 50–950 ramp

primary

#2A58BC

secondary

#CBB077

accent

#B241E7

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2A58BC

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

Preview Lab → · Contrast checker → · Palette generator →