#2557A2#2557A2

#2557A2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.133 H 258.6°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2557A2
RGB	rgb(37, 87, 162)
HSL	hsl(216, 63%, 39%)
HSV	hsv(216, 77%, 64%)
CMYK	cmyk(77.2%, 46.3%, 0%, 36.5%)
CIE-LAB	lab(37.51, 10.70, -45.40)
CIE-LCH	lch(37.51, 46.64, 283.26°)
OKLab	oklab(46.45% -0.0263 -0.1302)
OKLCH	oklch(46.45% 0.133 258.6)
XYZ	xyz(10.6903, 9.8171, 35.5069)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2557A2 #A27025

analogous

#2596A2 #2557A2 #3225A2

triadic

#2557A2 #A22557 #57A225

tetradic

#2557A2 #A22596 #A27025 #25A232

square

#2557A2 #A22596 #A27025 #25A232

split-complementary

#2557A2 #A23225 #96A225

monochromatic

#0E213E #1A3C70 #2557A2 #3472D1 #6595DC

Accessibility & contrast

On white

7.09

#2557A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2557A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2557A2

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2557A2	#FFFFFF	#000000	##FFFFFF
##2557A2	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305EA5

Deuteranopia (green-blind)

#1353A0

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2557a2;
/* rgb */ color: rgb(37, 87, 162);
/* oklch */ color: oklch(46.5% 0.133 258.6);

Tailwind

colors: {
  custom: {
    50: '#7285be',
    500: '#2557a2',
    950: '#000000',
  },
}

SCSS

$custom: #2557a2;
$custom-light: #7285be;
$custom-dark: #000000;

JSON

{
  "hex": "#2557a2",
  "rgb": {
    "r": 37,
    "g": 87,
    "b": 162
  },
  "hsl": {
    "h": 216,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46454,
    "c": 0.13282,
    "h": 258.6
  },
  "luminance": 0.09818
}

Semantic roles & 50–950 ramp

primary

#2557A2

secondary

#C29B61

accent

#A442E6

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2557A2

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

Preview Lab → · Contrast checker → · Palette generator →