#2A5AB1#2A5AB1

#2A5AB1 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.4% C 0.148 H 261.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#2A5AB1
RGB	rgb(42, 90, 177)
HSL	hsl(219, 62%, 43%)
HSV	hsv(219, 76%, 69%)
CMYK	cmyk(76.3%, 49.2%, 0%, 30.6%)
CIE-LAB	lab(39.54, 15.16, -51.02)
CIE-LCH	lch(39.54, 53.23, 286.55°)
OKLab	oklab(48.38% -0.0229 -0.1466)
OKLCH	oklch(48.38% 0.148 261.1)
XYZ	xyz(12.5440, 10.9775, 43.0442)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5AB1 #B1812A

analogous

#2A9DB1 #2A5AB1 #3E2AB1

triadic

#2A5AB1 #B12A5A #5AB12A

tetradic

#2A5AB1 #B12A9D #B1812A #2AB13E

square

#2A5AB1 #B12A9D #B1812A #2AB13E

split-complementary

#2A5AB1 #B13E2A #9DB12A

monochromatic

#13284E #1E4180 #2A5AB1 #4578D3 #779CDF

Accessibility & contrast

On white

6.57

#2A5AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#2A5AB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5AB1

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5AB1	#FFFFFF	#000000	##FFFFFF
##2A5AB1	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2864B4

Deuteranopia (green-blind)

#0057AF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a5ab1;
/* rgb */ color: rgb(42, 90, 177);
/* oklch */ color: oklch(48.4% 0.148 261.1);

Tailwind

colors: {
  custom: {
    50: '#7788c9',
    500: '#2a5ab1',
    950: '#000000',
  },
}

SCSS

$custom: #2a5ab1;
$custom-light: #7788c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5ab1",
  "rgb": {
    "r": 42,
    "g": 90,
    "b": 177
  },
  "hsl": {
    "h": 218.667,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48381,
    "c": 0.14838,
    "h": 261.1
  },
  "luminance": 0.10979
}

Semantic roles & 50–950 ramp

primary

#2A5AB1

secondary

#C6A870

accent

#AB43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5AB1

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

Preview Lab → · Contrast checker → · Palette generator →