#2A55B2#2A55B2

#2A55B2 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.156 H 263.1°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2A55B2
RGB	rgb(42, 85, 178)
HSL	hsl(221, 62%, 43%)
HSV	hsv(221, 76%, 70%)
CMYK	cmyk(76.4%, 52.2%, 0%, 30.2%)
CIE-LAB	lab(38.20, 18.84, -53.77)
CIE-LCH	lch(38.20, 56.98, 289.30°)
OKLab	oklab(47.38% -0.0187 -0.1548)
OKLCH	oklch(47.38% 0.156 263.1)
XYZ	xyz(12.2364, 10.2022, 43.4352)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A55B2 #B2872A

analogous

#2A99B2 #2A55B2 #432AB2

triadic

#2A55B2 #B22A55 #55B22A

tetradic

#2A55B2 #B22A99 #B2872A #2AB243

square

#2A55B2 #B22A99 #B2872A #2AB243

split-complementary

#2A55B2 #B2432A #99B22A

monochromatic

#13264F #1E3D80 #2A55B2 #4673D3 #7798DF

Accessibility & contrast

On white

6.91

#2A55B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2A55B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A55B2

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A55B2	#FFFFFF	#000000	##FFFFFF
##2A55B2	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1660B5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2a55b2;
/* rgb */ color: rgb(42, 85, 178);
/* oklch */ color: oklch(47.4% 0.156 263.1);

Tailwind

colors: {
  custom: {
    50: '#7884ca',
    500: '#2a55b2',
    950: '#000000',
  },
}

SCSS

$custom: #2a55b2;
$custom-light: #7884ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a55b2",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 178
  },
  "hsl": {
    "h": 221.029,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.47381,
    "c": 0.15593,
    "h": 263.1
  },
  "luminance": 0.10204
}

Semantic roles & 50–950 ramp

primary

#2A55B2

secondary

#C7AC71

accent

#B243E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2A55B2

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

Preview Lab → · Contrast checker → · Palette generator →