#2A5DB1#2A5DB1

#2A5DB1 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.145 H 259.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A5DB1
RGB	rgb(42, 93, 177)
HSL	hsl(217, 62%, 43%)
HSV	hsv(217, 76%, 69%)
CMYK	cmyk(76.3%, 47.5%, 0%, 30.6%)
CIE-LAB	lab(40.40, 13.20, -49.64)
CIE-LCH	lch(40.40, 51.37, 284.89°)
OKLab	oklab(49.04% -0.0254 -0.1425)
OKLCH	oklch(49.04% 0.145 259.9)
XYZ	xyz(12.8021, 11.4938, 43.1303)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5DB1 #B17E2A

analogous

#2AA1B1 #2A5DB1 #3A2AB1

triadic

#2A5DB1 #B12A5D #5DB12A

tetradic

#2A5DB1 #B12AA1 #B17E2A #2AB13A

square

#2A5DB1 #B12AA1 #B17E2A #2AB13A

split-complementary

#2A5DB1 #B13A2A #A1B12A

monochromatic

#13294E #1E4380 #2A5DB1 #457BD3 #779EDF

Accessibility & contrast

On white

6.37

#2A5DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2A5DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5DB1

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5DB1	#FFFFFF	#000000	##FFFFFF
##2A5DB1	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B4

Deuteranopia (green-blind)

#0859AF

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5db1;
/* rgb */ color: rgb(42, 93, 177);
/* oklch */ color: oklch(49.0% 0.145 259.9);

Tailwind

colors: {
  custom: {
    50: '#778ac9',
    500: '#2a5db1',
    950: '#000000',
  },
}

SCSS

$custom: #2a5db1;
$custom-light: #778ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5db1",
  "rgb": {
    "r": 42,
    "g": 93,
    "b": 177
  },
  "hsl": {
    "h": 217.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49039,
    "c": 0.14473,
    "h": 259.9
  },
  "luminance": 0.11495
}

Semantic roles & 50–950 ramp

primary

#2A5DB1

secondary

#C6A670

accent

#A843E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5DB1

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

Preview Lab → · Contrast checker → · Palette generator →