#2A5DB2#2A5DB2

#2A5DB2 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.146 H 260.1°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#2A5DB2
RGB	rgb(42, 93, 178)
HSL	hsl(218, 62%, 43%)
HSV	hsv(218, 76%, 70%)
CMYK	cmyk(76.4%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(40.47, 13.58, -50.12)
CIE-LCH	lch(40.47, 51.93, 285.16°)
OKLab	oklab(49.11% -0.0252 -0.1439)
OKLCH	oklch(49.11% 0.146 260.1)
XYZ	xyz(12.9022, 11.5338, 43.6571)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5DB2 #B27F2A

analogous

#2AA1B2 #2A5DB2 #3B2AB2

triadic

#2A5DB2 #B22A5D #5DB22A

tetradic

#2A5DB2 #B22AA1 #B27F2A #2AB23B

square

#2A5DB2 #B22AA1 #B27F2A #2AB23B

split-complementary

#2A5DB2 #B23B2A #A1B22A

monochromatic

#13294F #1E4380 #2A5DB2 #467BD3 #779EDF

Accessibility & contrast

On white

6.35

#2A5DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2A5DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5DB2

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5DB2	#FFFFFF	#000000	##FFFFFF
##2A5DB2	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E66B5

Deuteranopia (green-blind)

#045AB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5db2;
/* rgb */ color: rgb(42, 93, 178);
/* oklch */ color: oklch(49.1% 0.146 260.1);

Tailwind

colors: {
  custom: {
    50: '#778aca',
    500: '#2a5db2',
    950: '#000000',
  },
}

SCSS

$custom: #2a5db2;
$custom-light: #778aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5db2",
  "rgb": {
    "r": 42,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 217.5,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4911,
    "c": 0.1461,
    "h": 260.1
  },
  "luminance": 0.11535
}

Semantic roles & 50–950 ramp

primary

#2A5DB2

secondary

#C7A771

accent

#A843E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5DB2

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

Preview Lab → · Contrast checker → · Palette generator →