#2B57CA#2B57CA

#2B57CA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.186 H 264.6°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#2B57CA
RGB	rgb(43, 87, 202)
HSL	hsl(223, 65%, 48%)
HSV	hsv(223, 79%, 79%)
CMYK	cmyk(78.7%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(40.56, 26.77, -63.96)
CIE-LCH	lch(40.56, 69.34, 292.71°)
OKLab	oklab(49.74% -0.0175 -0.1847)
OKLCH	oklch(49.74% 0.186 264.6)
XYZ	xyz(15.0613, 11.5925, 57.3094)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B57CA #CA9E2B

analogous

#2BA6CA #2B57CA #4E2BCA

triadic

#2B57CA #CA2B57 #57CA2B

tetradic

#2B57CA #CA2BA6 #CA9E2B #2BCA4E

square

#2B57CA #CA2BA6 #CA9E2B #2BCA4E

split-complementary

#2B57CA #CA4E2B #A6CA2B

monochromatic

#162C65 #204198 #2B57CA #577CDB #89A3E6

Accessibility & contrast

On white

6.33

#2B57CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#2B57CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B57CA

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B57CA	#FFFFFF	#000000	##FFFFFF
##2B57CA	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b57ca;
/* rgb */ color: rgb(43, 87, 202);
/* oklch */ color: oklch(49.7% 0.186 264.6);

Tailwind

colors: {
  custom: {
    50: '#7d85db',
    500: '#2b57ca',
    950: '#000000',
  },
}

SCSS

$custom: #2b57ca;
$custom-light: #7d85db;
$custom-dark: #000000;

JSON

{
  "hex": "#2b57ca",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 223.396,
    "s": 64.898,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49735,
    "c": 0.18553,
    "h": 264.6
  },
  "luminance": 0.11594
}

Semantic roles & 50–950 ramp

primary

#2B57CA

secondary

#D0BA81

accent

#B940E8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B57CA

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

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