#2A59B3#2A59B3

#2A59B3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.152 H 261.8°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#2A59B3
RGB	rgb(42, 89, 179)
HSL	hsl(219, 62%, 43%)
HSV	hsv(219, 77%, 70%)
CMYK	cmyk(76.5%, 50.3%, 0%, 29.8%)
CIE-LAB	lab(39.39, 16.59, -52.44)
CIE-LCH	lch(39.39, 55.00, 287.55°)
OKLab	oklab(48.31% -0.0218 -0.1508)
OKLCH	oklch(48.31% 0.152 261.8)
XYZ	xyz(12.6610, 10.8902, 44.0738)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A59B3 #B3842A

analogous

#2A9DB3 #2A59B3 #3F2AB3

triadic

#2A59B3 #B32A59 #59B32A

tetradic

#2A59B3 #B32A9D #B3842A #2AB33F

square

#2A59B3 #B32A9D #B3842A #2AB33F

split-complementary

#2A59B3 #B33F2A #9DB32A

monochromatic

#132850 #1E4081 #2A59B3 #4677D4 #789BDF

Accessibility & contrast

On white

6.61

#2A59B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#2A59B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A59B3

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A59B3	#FFFFFF	#000000	##FFFFFF
##2A59B3	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2263B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a59b3;
/* rgb */ color: rgb(42, 89, 179);
/* oklch */ color: oklch(48.3% 0.152 261.8);

Tailwind

colors: {
  custom: {
    50: '#7887ca',
    500: '#2a59b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a59b3;
$custom-light: #7887ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a59b3",
  "rgb": {
    "r": 42,
    "g": 89,
    "b": 179
  },
  "hsl": {
    "h": 219.416,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48312,
    "c": 0.15236,
    "h": 261.8
  },
  "luminance": 0.10892
}

Semantic roles & 50–950 ramp

primary

#2A59B3

secondary

#C7AA72

accent

#AD43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A59B3

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

Preview Lab → · Contrast checker → · Palette generator →