#2A5CB0#2A5CB0

#2A5CB0 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.145 H 260.2°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#2A5CB0
RGB	rgb(42, 92, 176)
HSL	hsl(218, 61%, 43%)
HSV	hsv(218, 76%, 69%)
CMYK	cmyk(76.1%, 47.7%, 0%, 31%)
CIE-LAB	lab(40.05, 13.47, -49.62)
CIE-LCH	lch(40.05, 51.41, 285.18°)
OKLab	oklab(48.75% -0.0247 -0.1424)
OKLCH	oklch(48.75% 0.145 260.2)
XYZ	xyz(12.6156, 11.2797, 42.5782)
Luminance	0.1128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5CB0 #B07E2A

analogous

#2A9FB0 #2A5CB0 #3B2AB0

triadic

#2A5CB0 #B02A5C #5CB02A

tetradic

#2A5CB0 #B02A9F #B07E2A #2AB03B

square

#2A5CB0 #B02A9F #B07E2A #2AB03B

split-complementary

#2A5CB0 #B03B2A #9FB02A

monochromatic

#12284D #1E427F #2A5CB0 #457AD3 #769DDE

Accessibility & contrast

On white

6.45

#2A5CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#2A5CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5CB0

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5CB0	#FFFFFF	#000000	##FFFFFF
##2A5CB0	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E65B3

Deuteranopia (green-blind)

#0559AE

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a5cb0;
/* rgb */ color: rgb(42, 92, 176);
/* oklch */ color: oklch(48.7% 0.145 260.2);

Tailwind

colors: {
  custom: {
    50: '#7789c8',
    500: '#2a5cb0',
    950: '#000000',
  },
}

SCSS

$custom: #2a5cb0;
$custom-light: #7789c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5cb0",
  "rgb": {
    "r": 42,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 217.612,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48747,
    "c": 0.14457,
    "h": 260.2
  },
  "luminance": 0.11281
}

Semantic roles & 50–950 ramp

primary

#2A5CB0

secondary

#C6A670

accent

#A843E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5CB0

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

Preview Lab → · Contrast checker → · Palette generator →