#2A58B1#2A58B1

#2A58B1 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.151 H 261.9°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A58B1
RGB	rgb(42, 88, 177)
HSL	hsl(220, 62%, 43%)
HSV	hsv(220, 76%, 69%)
CMYK	cmyk(76.3%, 50.3%, 0%, 30.6%)
CIE-LAB	lab(38.98, 16.47, -51.94)
CIE-LCH	lch(38.98, 54.49, 287.60°)
OKLab	oklab(47.95% -0.0213 -0.1493)
OKLCH	oklch(47.95% 0.151 261.9)
XYZ	xyz(12.3775, 10.6446, 42.9887)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A58B1 #B1832A

analogous

#2A9BB1 #2A58B1 #402AB1

triadic

#2A58B1 #B12A58 #58B12A

tetradic

#2A58B1 #B12A9B #B1832A #2AB140

square

#2A58B1 #B12A9B #B1832A #2AB140

split-complementary

#2A58B1 #B1402A #9BB12A

monochromatic

#13274E #1E3F80 #2A58B1 #4576D3 #779ADF

Accessibility & contrast

On white

6.71

#2A58B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2A58B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A58B1

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A58B1	#FFFFFF	#000000	##FFFFFF
##2A58B1	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2262B4

Deuteranopia (green-blind)

#0056AF

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2a58b1;
/* rgb */ color: rgb(42, 88, 177);
/* oklch */ color: oklch(47.9% 0.151 261.9);

Tailwind

colors: {
  custom: {
    50: '#7786c9',
    500: '#2a58b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a58b1;
$custom-light: #7786c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a58b1",
  "rgb": {
    "r": 42,
    "g": 88,
    "b": 177
  },
  "hsl": {
    "h": 219.556,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47947,
    "c": 0.15084,
    "h": 261.9
  },
  "luminance": 0.10646
}

Semantic roles & 50–950 ramp

primary

#2A58B1

secondary

#C6A970

accent

#AE43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A58B1

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

Preview Lab → · Contrast checker → · Palette generator →