#2A55B6#2A55B6

#2A55B6 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.161 H 263.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A55B6
RGB	rgb(42, 85, 182)
HSL	hsl(222, 63%, 44%)
HSV	hsv(222, 77%, 71%)
CMYK	cmyk(76.9%, 53.3%, 0%, 28.6%)
CIE-LAB	lab(38.49, 20.37, -55.67)
CIE-LCH	lch(38.49, 59.28, 290.10°)
OKLab	oklab(47.69% -0.0183 -0.1604)
OKLCH	oklch(47.69% 0.161 263.5)
XYZ	xyz(12.6438, 10.3652, 45.5812)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A55B6 #B68B2A

analogous

#2A9BB6 #2A55B6 #452AB6

triadic

#2A55B6 #B62A55 #55B62A

tetradic

#2A55B6 #B62A9B #B68B2A #2AB645

square

#2A55B6 #B62A9B #B68B2A #2AB645

split-complementary

#2A55B6 #B6452A #9BB62A

monochromatic

#132753 #1F3E84 #2A55B6 #4874D5 #7A99E0

Accessibility & contrast

On white

6.83

#2A55B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2A55B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A55B6

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A55B6	#FFFFFF	#000000	##FFFFFF
##2A55B6	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B61B9

Deuteranopia (green-blind)

#0055B4

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2a55b6;
/* rgb */ color: rgb(42, 85, 182);
/* oklch */ color: oklch(47.7% 0.161 263.5);

Tailwind

colors: {
  custom: {
    50: '#7884cd',
    500: '#2a55b6',
    950: '#000000',
  },
}

SCSS

$custom: #2a55b6;
$custom-light: #7884cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a55b6",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 182
  },
  "hsl": {
    "h": 221.571,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4769,
    "c": 0.16141,
    "h": 263.5
  },
  "luminance": 0.10367
}

Semantic roles & 50–950 ramp

primary

#2A55B6

secondary

#C8AE73

accent

#B342E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2A55B6

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

Preview Lab → · Contrast checker → · Palette generator →