#1E5AB3#1E5AB3

#1E5AB3 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.154 H 258.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E5AB3
RGB	rgb(30, 90, 179)
HSL	hsl(216, 71%, 41%)
HSV	hsv(216, 83%, 70%)
CMYK	cmyk(83.2%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(39.31, 14.66, -52.59)
CIE-LCH	lch(39.31, 54.60, 285.58°)
OKLab	oklab(48.14% -0.03 -0.1514)
OKLCH	oklch(48.14% 0.154 258.8)
XYZ	xyz(12.3253, 10.8415, 44.0821)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5AB3 #B3771E

analogous

#1EA4B3 #1E5AB3 #2C1EB3

triadic

#1E5AB3 #B31E5A #5AB31E

tetradic

#1E5AB3 #B31EA4 #B3771E #1EB32C

square

#1E5AB3 #B31EA4 #B3771E #1EB32C

split-complementary

#1E5AB3 #B32C1E #A4B31E

monochromatic

#0C254A #15407F #1E5AB3 #3276DD #6699E5

Accessibility & contrast

On white

6.63

#1E5AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1E5AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E5AB3

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5AB3	#FFFFFF	#000000	##FFFFFF
##1E5AB3	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)

#2464B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1e5ab3;
/* rgb */ color: rgb(30, 90, 179);
/* oklch */ color: oklch(48.1% 0.154 258.8);

Tailwind

colors: {
  custom: {
    50: '#7488ca',
    500: '#1e5ab3',
    950: '#000000',
  },
}

SCSS

$custom: #1e5ab3;
$custom-light: #7488ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5ab3",
  "rgb": {
    "r": 30,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 215.839,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48144,
    "c": 0.15433,
    "h": 258.8
  },
  "luminance": 0.10843
}

Semantic roles & 50–950 ramp

primary

#1E5AB3

secondary

#CBA162

accent

#A53AEE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1E5AB3

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

Preview Lab → · Contrast checker → · Palette generator →