#2A59B0#2A59B0

#2A59B0 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.148 H 261.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#2A59B0
RGB	rgb(42, 89, 176)
HSL	hsl(219, 61%, 43%)
HSV	hsv(219, 76%, 69%)
CMYK	cmyk(76.1%, 49.4%, 0%, 31%)
CIE-LAB	lab(39.19, 15.43, -51.00)
CIE-LCH	lch(39.19, 53.28, 286.83°)
OKLab	oklab(48.09% -0.0222 -0.1466)
OKLCH	oklch(48.09% 0.148 261.4)
XYZ	xyz(12.3609, 10.7702, 42.4933)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A59B0 #B0812A

analogous

#2A9CB0 #2A59B0 #3E2AB0

triadic

#2A59B0 #B02A59 #59B02A

tetradic

#2A59B0 #B02A9C #B0812A #2AB03E

square

#2A59B0 #B02A9C #B0812A #2AB03E

split-complementary

#2A59B0 #B03E2A #9CB02A

monochromatic

#12274D #1E407F #2A59B0 #4576D3 #769BDE

Accessibility & contrast

On white

6.66

#2A59B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#2A59B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A59B0

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A59B0	#FFFFFF	#000000	##FFFFFF
##2A59B0	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2663B3

Deuteranopia (green-blind)

#0057AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2a59b0;
/* rgb */ color: rgb(42, 89, 176);
/* oklch */ color: oklch(48.1% 0.148 261.4);

Tailwind

colors: {
  custom: {
    50: '#7787c8',
    500: '#2a59b0',
    950: '#000000',
  },
}

SCSS

$custom: #2a59b0;
$custom-light: #7787c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a59b0",
  "rgb": {
    "r": 42,
    "g": 89,
    "b": 176
  },
  "hsl": {
    "h": 218.955,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4809,
    "c": 0.14823,
    "h": 261.4
  },
  "luminance": 0.10772
}

Semantic roles & 50–950 ramp

primary

#2A59B0

secondary

#C6A870

accent

#AC43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A59B0

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

Preview Lab → · Contrast checker → · Palette generator →