#2957AB#2957AB

#2957AB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.144 H 261.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#2957AB
RGB	rgb(41, 87, 171)
HSL	hsl(219, 61%, 42%)
HSV	hsv(219, 76%, 67%)
CMYK	cmyk(76%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(38.25, 14.70, -49.57)
CIE-LCH	lch(38.25, 51.70, 286.51°)
OKLab	oklab(47.25% -0.022 -0.1424)
OKLCH	oklch(47.25% 0.144 261.2)
XYZ	xyz(11.6707, 10.2268, 39.8791)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2957AB #AB7D29

analogous

#2998AB #2957AB #3C29AB

triadic

#2957AB #AB2957 #57AB29

tetradic

#2957AB #AB2998 #AB7D29 #29AB3C

square

#2957AB #AB2998 #AB7D29 #29AB3C

split-complementary

#2957AB #AB3C29 #98AB29

monochromatic

#112548 #1D3E7A #2957AB #4073D1 #7197DD

Accessibility & contrast

On white

6.90

#2957AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2957AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2957AB

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2957AB	#FFFFFF	#000000	##FFFFFF
##2957AB	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2760AE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2957ab;
/* rgb */ color: rgb(41, 87, 171);
/* oklch */ color: oklch(47.2% 0.144 261.2);

Tailwind

colors: {
  custom: {
    50: '#7585c5',
    500: '#2957ab',
    950: '#000000',
  },
}

SCSS

$custom: #2957ab;
$custom-light: #7585c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2957ab",
  "rgb": {
    "r": 41,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 218.769,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47249,
    "c": 0.14409,
    "h": 261.2
  },
  "luminance": 0.10228
}

Semantic roles & 50–950 ramp

primary

#2957AB

secondary

#C4A56C

accent

#AB43E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2957AB

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

Preview Lab → · Contrast checker → · Palette generator →