#2A5BB0#2A5BB0

#2A5BB0 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.146 H 260.6°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BB0
RGB	rgb(42, 91, 176)
HSL	hsl(218, 61%, 43%)
HSV	hsv(218, 76%, 69%)
CMYK	cmyk(76.1%, 48.3%, 0%, 31%)
CIE-LAB	lab(39.76, 14.12, -50.08)
CIE-LCH	lch(39.76, 52.03, 285.75°)
OKLab	oklab(48.53% -0.0239 -0.1438)
OKLCH	oklch(48.53% 0.146 260.6)
XYZ	xyz(12.5296, 11.1076, 42.5495)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BB0 #B07F2A

analogous

#2A9EB0 #2A5BB0 #3C2AB0

triadic

#2A5BB0 #B02A5B #5BB02A

tetradic

#2A5BB0 #B02A9E #B07F2A #2AB03C

square

#2A5BB0 #B02A9E #B07F2A #2AB03C

split-complementary

#2A5BB0 #B03C2A #9EB02A

monochromatic

#12284D #1E417F #2A5BB0 #4579D3 #769CDE

Accessibility & contrast

On white

6.52

#2A5BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2A5BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BB0

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BB0	#FFFFFF	#000000	##FFFFFF
##2A5BB0	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C64B3

Deuteranopia (green-blind)

#0058AE

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a5bb0;
/* rgb */ color: rgb(42, 91, 176);
/* oklch */ color: oklch(48.5% 0.146 260.6);

Tailwind

colors: {
  custom: {
    50: '#7788c8',
    500: '#2a5bb0',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bb0;
$custom-light: #7788c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bb0",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 176
  },
  "hsl": {
    "h": 218.06,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48527,
    "c": 0.14579,
    "h": 260.6
  },
  "luminance": 0.11109
}

Semantic roles & 50–950 ramp

primary

#2A5BB0

secondary

#C6A670

accent

#AA43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5BB0

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

Preview Lab → · Contrast checker → · Palette generator →