#2A5FB1#2A5FB1

#2A5FB1 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.5% C 0.142 H 259.0°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#2A5FB1
RGB	rgb(42, 95, 177)
HSL	hsl(216, 62%, 43%)
HSV	hsv(216, 76%, 69%)
CMYK	cmyk(76.3%, 46.3%, 0%, 30.6%)
CIE-LAB	lab(40.98, 11.90, -48.72)
CIE-LCH	lch(40.98, 50.15, 283.72°)
OKLab	oklab(49.48% -0.0271 -0.1397)
OKLCH	oklch(49.48% 0.142 259)
XYZ	xyz(12.9800, 11.8495, 43.1895)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5FB1 #B17C2A

analogous

#2AA3B1 #2A5FB1 #382AB1

triadic

#2A5FB1 #B12A5F #5FB12A

tetradic

#2A5FB1 #B12AA3 #B17C2A #2AB138

square

#2A5FB1 #B12AA3 #B17C2A #2AB138

split-complementary

#2A5FB1 #B1382A #A3B12A

monochromatic

#132A4E #1E4480 #2A5FB1 #457DD3 #77A0DF

Accessibility & contrast

On white

6.23

#2A5FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#2A5FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5FB1

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5FB1	#FFFFFF	#000000	##FFFFFF
##2A5FB1	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B4

Deuteranopia (green-blind)

#145BAF

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2a5fb1;
/* rgb */ color: rgb(42, 95, 177);
/* oklch */ color: oklch(49.5% 0.142 259.0);

Tailwind

colors: {
  custom: {
    50: '#778bc9',
    500: '#2a5fb1',
    950: '#000000',
  },
}

SCSS

$custom: #2a5fb1;
$custom-light: #778bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5fb1",
  "rgb": {
    "r": 42,
    "g": 95,
    "b": 177
  },
  "hsl": {
    "h": 216.444,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49483,
    "c": 0.14233,
    "h": 259
  },
  "luminance": 0.11851
}

Semantic roles & 50–950 ramp

primary

#2A5FB1

secondary

#C6A570

accent

#A543E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A5FB1

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

Preview Lab → · Contrast checker → · Palette generator →