#2859BC#2859BC

#2859BC is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.165 H 262.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#2859BC
RGB	rgb(40, 89, 188)
HSL	hsl(220, 65%, 45%)
HSV	hsv(220, 79%, 74%)
CMYK	cmyk(78.7%, 52.7%, 0%, 26.3%)
CIE-LAB	lab(39.96, 19.82, -56.81)
CIE-LCH	lch(39.96, 60.17, 289.23°)
OKLab	oklab(48.92% -0.0221 -0.1637)
OKLCH	oklch(48.92% 0.165 262.3)
XYZ	xyz(13.5213, 11.2251, 49.0212)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2859BC #BC8B28

analogous

#28A3BC #2859BC #4128BC

triadic

#2859BC #BC2859 #59BC28

tetradic

#2859BC #BC28A3 #BC8B28 #28BC41

square

#2859BC #BC28A3 #BC8B28 #28BC41

split-complementary

#2859BC #BC4128 #A3BC28

monochromatic

#132957 #1D418A #2859BC #4978D8 #7B9EE3

Accessibility & contrast

On white

6.47

#2859BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2859BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2859BC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2859BC	#FFFFFF	#000000	##FFFFFF
##2859BC	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1065C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2859bc;
/* rgb */ color: rgb(40, 89, 188);
/* oklch */ color: oklch(48.9% 0.165 262.3);

Tailwind

colors: {
  custom: {
    50: '#7987d1',
    500: '#2859bc',
    950: '#000000',
  },
}

SCSS

$custom: #2859bc;
$custom-light: #7987d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2859bc",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 188
  },
  "hsl": {
    "h": 220.135,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48921,
    "c": 0.16518,
    "h": 262.3
  },
  "luminance": 0.11227
}

Semantic roles & 50–950 ramp

primary

#2859BC

secondary

#CBAE75

accent

#B040E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2859BC

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

Preview Lab → · Contrast checker → · Palette generator →