#1E57A8#1E57A8

#1E57A8 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.7% C 0.143 H 258.1°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#1E57A8
RGB	rgb(30, 87, 168)
HSL	hsl(215, 70%, 39%)
HSV	hsv(215, 82%, 66%)
CMYK	cmyk(82.1%, 48.2%, 0%, 34.1%)
CIE-LAB	lab(37.70, 12.28, -48.69)
CIE-LCH	lch(37.70, 50.22, 284.16°)
OKLab	oklab(46.66% -0.0295 -0.14)
OKLCH	oklch(46.66% 0.143 258.1)
XYZ	xyz(11.0089, 9.9182, 38.3724)
Luminance	0.0992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E57A8 #A86F1E

analogous

#1E9CA8 #1E57A8 #2A1EA8

triadic

#1E57A8 #A81E57 #57A81E

tetradic

#1E57A8 #A81E9C #A86F1E #1EA82A

square

#1E57A8 #A81E9C #A86F1E #1EA82A

split-complementary

#1E57A8 #A82A1E #9CA81E

monochromatic

#0B2140 #153C74 #1E57A8 #2A72D9 #5E95E2

Accessibility & contrast

On white

7.04

#1E57A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1E57A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E57A8

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E57A8	#FFFFFF	#000000	##FFFFFF
##1E57A8	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295FAB

Deuteranopia (green-blind)

#0053A6

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1e57a8;
/* rgb */ color: rgb(30, 87, 168);
/* oklch */ color: oklch(46.7% 0.143 258.1);

Tailwind

colors: {
  custom: {
    50: '#7185c2',
    500: '#1e57a8',
    950: '#000000',
  },
}

SCSS

$custom: #1e57a8;
$custom-light: #7185c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e57a8",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 168
  },
  "hsl": {
    "h": 215.217,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46662,
    "c": 0.14306,
    "h": 258.1
  },
  "luminance": 0.0992
}

Semantic roles & 50–950 ramp

primary

#1E57A8

secondary

#C79A5B

accent

#A33BED

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1E57A8

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

Preview Lab → · Contrast checker → · Palette generator →