#2A5ABC#2A5ABC

#2A5ABC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.2% C 0.163 H 262.4°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#2A5ABC
RGB	rgb(42, 90, 188)
HSL	hsl(220, 63%, 45%)
HSV	hsv(220, 78%, 74%)
CMYK	cmyk(77.7%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(40.30, 19.38, -56.25)
CIE-LCH	lch(40.30, 59.49, 289.01°)
OKLab	oklab(49.2% -0.0215 -0.162)
OKLCH	oklch(49.2% 0.163 262.4)
XYZ	xyz(13.6849, 11.4338, 49.0529)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5ABC #BC8C2A

analogous

#2AA3BC #2A5ABC #432ABC

triadic

#2A5ABC #BC2A5A #5ABC2A

tetradic

#2A5ABC #BC2AA3 #BC8C2A #2ABC43

square

#2A5ABC #BC2AA3 #BC8C2A #2ABC43

split-complementary

#2A5ABC #BC432A #A3BC2A

monochromatic

#142A58 #1F428A #2A5ABC #4C7AD7 #7E9FE2

Accessibility & contrast

On white

6.39

#2A5ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2A5ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5ABC

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5ABC	#FFFFFF	#000000	##FFFFFF
##2A5ABC	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1666BF

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5abc;
/* rgb */ color: rgb(42, 90, 188);
/* oklch */ color: oklch(49.2% 0.163 262.4);

Tailwind

colors: {
  custom: {
    50: '#7a88d1',
    500: '#2a5abc',
    950: '#000000',
  },
}

SCSS

$custom: #2a5abc;
$custom-light: #7a88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5abc",
  "rgb": {
    "r": 42,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 220.274,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49203,
    "c": 0.16341,
    "h": 262.4
  },
  "luminance": 0.11435
}

Semantic roles & 50–950 ramp

primary

#2A5ABC

secondary

#CBAF77

accent

#B041E7

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2A5ABC

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

Preview Lab → · Contrast checker → · Palette generator →