#2A59B1#2A59B1

#2A59B1 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.150 H 261.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#2A59B1
RGB	rgb(42, 89, 177)
HSL	hsl(219, 62%, 43%)
HSV	hsv(219, 76%, 69%)
CMYK	cmyk(76.3%, 49.7%, 0%, 30.6%)
CIE-LAB	lab(39.26, 15.82, -51.48)
CIE-LCH	lch(39.26, 53.85, 287.08°)
OKLab	oklab(48.16% -0.0221 -0.148)
OKLCH	oklch(48.16% 0.15 261.5)
XYZ	xyz(12.4602, 10.8099, 43.0163)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A59B1 #B1822A

analogous

#2A9CB1 #2A59B1 #3E2AB1

triadic

#2A59B1 #B12A59 #59B12A

tetradic

#2A59B1 #B12A9C #B1822A #2AB13E

square

#2A59B1 #B12A9C #B1822A #2AB13E

split-complementary

#2A59B1 #B13E2A #9CB12A

monochromatic

#13274E #1E4080 #2A59B1 #4577D3 #779BDF

Accessibility & contrast

On white

6.64

#2A59B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#2A59B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A59B1

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A59B1	#FFFFFF	#000000	##FFFFFF
##2A59B1	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2563B4

Deuteranopia (green-blind)

#0057AF

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2a59b1;
/* rgb */ color: rgb(42, 89, 177);
/* oklch */ color: oklch(48.2% 0.150 261.5);

Tailwind

colors: {
  custom: {
    50: '#7787c9',
    500: '#2a59b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a59b1;
$custom-light: #7787c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a59b1",
  "rgb": {
    "r": 42,
    "g": 89,
    "b": 177
  },
  "hsl": {
    "h": 219.111,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48164,
    "c": 0.14962,
    "h": 261.5
  },
  "luminance": 0.10811
}

Semantic roles & 50–950 ramp

primary

#2A59B1

secondary

#C6A870

accent

#AC43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A59B1

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

Preview Lab → · Contrast checker → · Palette generator →