#1E58BB#1E58BB

#1E58BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.168 H 260.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E58BB
RGB	rgb(30, 88, 187)
HSL	hsl(218, 72%, 43%)
HSV	hsv(218, 84%, 73%)
CMYK	cmyk(84%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(39.31, 19.14, -57.28)
CIE-LCH	lch(39.31, 60.40, 288.48°)
OKLab	oklab(48.33% -0.0276 -0.1652)
OKLCH	oklch(48.33% 0.168 260.5)
XYZ	xyz(12.9915, 10.8417, 48.4120)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E58BB #BB811E

analogous

#1EA7BB #1E58BB #321EBB

triadic

#1E58BB #BB1E58 #58BB1E

tetradic

#1E58BB #BB1EA7 #BB811E #1EBB32

square

#1E58BB #BB1EA7 #BB811E #1EBB32

split-complementary

#1E58BB #BB321E #A7BB1E

monochromatic

#0D2652 #163F86 #1E58BB #3775DF #6C9AE7

Accessibility & contrast

On white

6.63

#1E58BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1E58BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E58BB

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E58BB	#FFFFFF	#000000	##FFFFFF
##1E58BB	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A64BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1e58bb;
/* rgb */ color: rgb(30, 88, 187);
/* oklch */ color: oklch(48.3% 0.168 260.5);

Tailwind

colors: {
  custom: {
    50: '#7686d0',
    500: '#1e58bb',
    950: '#000000',
  },
}

SCSS

$custom: #1e58bb;
$custom-light: #7686d0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e58bb",
  "rgb": {
    "r": 30,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 217.834,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48325,
    "c": 0.16752,
    "h": 260.5
  },
  "luminance": 0.10843
}

Semantic roles & 50–950 ramp

primary

#1E58BB

secondary

#CDA867

accent

#AC39EF

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #1E58BB

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

Preview Lab → · Contrast checker → · Palette generator →