#2957CA#2957CA

#2957CA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.186 H 264.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#2957CA
RGB	rgb(41, 87, 202)
HSL	hsl(223, 66%, 48%)
HSV	hsv(223, 80%, 79%)
CMYK	cmyk(79.7%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(40.49, 26.58, -64.08)
CIE-LCH	lch(40.49, 69.37, 292.53°)
OKLab	oklab(49.66% -0.0189 -0.1851)
OKLCH	oklch(49.66% 0.186 264.2)
XYZ	xyz(14.9795, 11.5503, 57.3056)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2957CA #CA9C29

analogous

#29A8CA #2957CA #4B29CA

triadic

#2957CA #CA2957 #57CA29

tetradic

#2957CA #CA29A8 #CA9C29 #29CA4B

square

#2957CA #CA29A8 #CA9C29 #29CA4B

split-complementary

#2957CA #CA4B29 #A8CA29

monochromatic

#142B64 #1F4197 #2957CA #547BDC #87A2E7

Accessibility & contrast

On white

6.34

#2957CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2957CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2957CA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2957CA	#FFFFFF	#000000	##FFFFFF
##2957CA	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0058C8

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2957ca;
/* rgb */ color: rgb(41, 87, 202);
/* oklch */ color: oklch(49.7% 0.186 264.2);

Tailwind

colors: {
  custom: {
    50: '#7d85db',
    500: '#2957ca',
    950: '#000000',
  },
}

SCSS

$custom: #2957ca;
$custom-light: #7d85db;
$custom-dark: #000000;

JSON

{
  "hex": "#2957ca",
  "rgb": {
    "r": 41,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 222.857,
    "s": 66.255,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49664,
    "c": 0.18603,
    "h": 264.2
  },
  "luminance": 0.11552
}

Semantic roles & 50–950 ramp

primary

#2957CA

secondary

#D0B97F

accent

#B83FE9

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2957CA

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

Preview Lab → · Contrast checker → · Palette generator →