#1E57A9#1E57A9

#1E57A9 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.7% C 0.144 H 258.3°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#1E57A9
RGB	rgb(30, 87, 169)
HSL	hsl(215, 70%, 39%)
HSV	hsv(215, 82%, 66%)
CMYK	cmyk(82.2%, 48.5%, 0%, 33.7%)
CIE-LAB	lab(37.76, 12.68, -49.18)
CIE-LCH	lch(37.76, 50.79, 284.46°)
OKLab	oklab(46.74% -0.0293 -0.1414)
OKLCH	oklch(46.74% 0.144 258.3)
XYZ	xyz(11.1024, 9.9556, 38.8649)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E57A9 #A9701E

analogous

#1E9DA9 #1E57A9 #2B1EA9

triadic

#1E57A9 #A91E57 #57A91E

tetradic

#1E57A9 #A91E9D #A9701E #1EA92B

square

#1E57A9 #A91E9D #A9701E #1EA92B

split-complementary

#1E57A9 #A92B1E #9DA91E

monochromatic

#0C2141 #153C75 #1E57A9 #2B72D9 #5F95E3

Accessibility & contrast

On white

7.02

#1E57A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#1E57A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E57A9

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E57A9	#FFFFFF	#000000	##FFFFFF
##1E57A9	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2860AC

Deuteranopia (green-blind)

#0053A7

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1e57a9;
/* rgb */ color: rgb(30, 87, 169);
/* oklch */ color: oklch(46.7% 0.144 258.3);

Tailwind

colors: {
  custom: {
    50: '#7285c3',
    500: '#1e57a9',
    950: '#000000',
  },
}

SCSS

$custom: #1e57a9;
$custom-light: #7285c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1e57a9",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 169
  },
  "hsl": {
    "h": 215.396,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46736,
    "c": 0.14442,
    "h": 258.3
  },
  "luminance": 0.09957
}

Semantic roles & 50–950 ramp

primary

#1E57A9

secondary

#C79B5C

accent

#A43BED

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1E57A9

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

Preview Lab → · Contrast checker → · Palette generator →