#1E58B3#1E58B3

#1E58B3 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.157 H 259.5°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#1E58B3
RGB	rgb(30, 88, 179)
HSL	hsl(217, 71%, 41%)
HSV	hsv(217, 83%, 70%)
CMYK	cmyk(83.2%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(38.74, 15.99, -53.51)
CIE-LCH	lch(38.74, 55.85, 286.63°)
OKLab	oklab(47.71% -0.0286 -0.1541)
OKLCH	oklch(47.71% 0.157 259.5)
XYZ	xyz(12.1588, 10.5086, 44.0266)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E58B3 #B3791E

analogous

#1EA2B3 #1E58B3 #2E1EB3

triadic

#1E58B3 #B31E58 #58B31E

tetradic

#1E58B3 #B31EA2 #B3791E #1EB32E

square

#1E58B3 #B31EA2 #B3791E #1EB32E

split-complementary

#1E58B3 #B32E1E #A2B31E

monochromatic

#0C244A #153E7F #1E58B3 #3274DD #6698E5

Accessibility & contrast

On white

6.77

#1E58B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1E58B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E58B3

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E58B3	#FFFFFF	#000000	##FFFFFF
##1E58B3	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D62B6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1e58b3;
/* rgb */ color: rgb(30, 88, 179);
/* oklch */ color: oklch(47.7% 0.157 259.5);

Tailwind

colors: {
  custom: {
    50: '#7486ca',
    500: '#1e58b3',
    950: '#000000',
  },
}

SCSS

$custom: #1e58b3;
$custom-light: #7486ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e58b3",
  "rgb": {
    "r": 30,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 216.644,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47706,
    "c": 0.15677,
    "h": 259.5
  },
  "luminance": 0.1051
}

Semantic roles & 50–950 ramp

primary

#1E58B3

secondary

#CBA262

accent

#A83AEE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1E58B3

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

Preview Lab → · Contrast checker → · Palette generator →