#2A5DB0#2A5DB0

#2A5DB0 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.143 H 259.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A5DB0
RGB	rgb(42, 93, 176)
HSL	hsl(217, 61%, 43%)
HSV	hsv(217, 76%, 69%)
CMYK	cmyk(76.1%, 47.2%, 0%, 31%)
CIE-LAB	lab(40.34, 12.81, -49.16)
CIE-LCH	lch(40.34, 50.80, 284.61°)
OKLab	oklab(48.97% -0.0255 -0.1411)
OKLCH	oklch(48.97% 0.143 259.7)
XYZ	xyz(12.7028, 11.4541, 42.6073)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5DB0 #B07D2A

analogous

#2AA0B0 #2A5DB0 #3A2AB0

triadic

#2A5DB0 #B02A5D #5DB02A

tetradic

#2A5DB0 #B02AA0 #B07D2A #2AB03A

square

#2A5DB0 #B02AA0 #B07D2A #2AB03A

split-complementary

#2A5DB0 #B03A2A #A0B02A

monochromatic

#12294D #1E437F #2A5DB0 #457BD3 #769EDE

Accessibility & contrast

On white

6.38

#2A5DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2A5DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5DB0

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5DB0	#FFFFFF	#000000	##FFFFFF
##2A5DB0	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3066B3

Deuteranopia (green-blind)

#0C59AE

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5db0;
/* rgb */ color: rgb(42, 93, 176);
/* oklch */ color: oklch(49.0% 0.143 259.7);

Tailwind

colors: {
  custom: {
    50: '#778ac8',
    500: '#2a5db0',
    950: '#000000',
  },
}

SCSS

$custom: #2a5db0;
$custom-light: #778ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5db0",
  "rgb": {
    "r": 42,
    "g": 93,
    "b": 176
  },
  "hsl": {
    "h": 217.164,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48968,
    "c": 0.14336,
    "h": 259.7
  },
  "luminance": 0.11456
}

Semantic roles & 50–950 ramp

primary

#2A5DB0

secondary

#C6A570

accent

#A743E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5DB0

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

Preview Lab → · Contrast checker → · Palette generator →