#2657AB#2657AB

#2657AB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.1% C 0.145 H 260.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#2657AB
RGB	rgb(38, 87, 171)
HSL	hsl(218, 64%, 41%)
HSV	hsv(218, 78%, 67%)
CMYK	cmyk(77.8%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(38.14, 14.33, -49.74)
CIE-LCH	lch(38.14, 51.76, 286.07°)
OKLab	oklab(47.14% -0.0241 -0.143)
OKLCH	oklch(47.14% 0.145 260.4)
XYZ	xyz(11.5555, 10.1674, 39.8737)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2657AB #AB7A26

analogous

#2699AB #2657AB #3826AB

triadic

#2657AB #AB2657 #57AB26

tetradic

#2657AB #AB2699 #AB7A26 #26AB38

square

#2657AB #AB2699 #AB7A26 #26AB38

split-complementary

#2657AB #AB3826 #99AB26

monochromatic

#102447 #1B3E79 #2657AB #3B73D3 #6D97DF

Accessibility & contrast

On white

6.92

#2657AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2657AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2657AB

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2657AB	#FFFFFF	#000000	##FFFFFF
##2657AB	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	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: #2657ab;
/* rgb */ color: rgb(38, 87, 171);
/* oklch */ color: oklch(47.1% 0.145 260.4);

Tailwind

colors: {
  custom: {
    50: '#7485c5',
    500: '#2657ab',
    950: '#000000',
  },
}

SCSS

$custom: #2657ab;
$custom-light: #7485c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2657ab",
  "rgb": {
    "r": 38,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 217.895,
    "s": 63.636,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47139,
    "c": 0.14498,
    "h": 260.4
  },
  "luminance": 0.10169
}

Semantic roles & 50–950 ramp

primary

#2657AB

secondary

#C5A368

accent

#AA41E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2657AB

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

Preview Lab → · Contrast checker → · Palette generator →