#2A58AB#2A58AB

#2A58AB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.143 H 261.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A58AB
RGB	rgb(42, 88, 171)
HSL	hsl(219, 61%, 42%)
HSV	hsv(219, 75%, 67%)
CMYK	cmyk(75.4%, 48.5%, 0%, 32.9%)
CIE-LAB	lab(38.57, 14.17, -49.04)
CIE-LCH	lch(38.57, 51.05, 286.11°)
OKLab	oklab(47.51% -0.0221 -0.1408)
OKLCH	oklch(47.51% 0.143 261.1)
XYZ	xyz(11.7926, 10.4106, 39.9081)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A58AB #AB7D2A

analogous

#2A99AB #2A58AB #3D2AAB

triadic

#2A58AB #AB2A58 #58AB2A

tetradic

#2A58AB #AB2A99 #AB7D2A #2AAB3D

square

#2A58AB #AB2A99 #AB7D2A #2AAB3D

split-complementary

#2A58AB #AB3D2A #99AB2A

monochromatic

#122549 #1E3F7A #2A58AB #4275D1 #7399DD

Accessibility & contrast

On white

6.81

#2A58AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2A58AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A58AB

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A58AB	#FFFFFF	#000000	##FFFFFF
##2A58AB	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A61AE

Deuteranopia (green-blind)

#0055A9

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2a58ab;
/* rgb */ color: rgb(42, 88, 171);
/* oklch */ color: oklch(47.5% 0.143 261.1);

Tailwind

colors: {
  custom: {
    50: '#7686c4',
    500: '#2a58ab',
    950: '#000000',
  },
}

SCSS

$custom: #2a58ab;
$custom-light: #7686c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a58ab",
  "rgb": {
    "r": 42,
    "g": 88,
    "b": 171
  },
  "hsl": {
    "h": 218.605,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47507,
    "c": 0.14255,
    "h": 261.1
  },
  "luminance": 0.10412
}

Semantic roles & 50–950 ramp

primary

#2A58AB

secondary

#C4A56D

accent

#AB44E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A58AB

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

Preview Lab → · Contrast checker → · Palette generator →