#1E4CBB#1E4CBB

#1E4CBB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.182 H 263.7°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#1E4CBB
RGB	rgb(30, 76, 187)
HSL	hsl(222, 72%, 43%)
HSV	hsv(222, 84%, 73%)
CMYK	cmyk(84%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(36.04, 27.10, -62.60)
CIE-LCH	lch(36.04, 68.21, 293.41°)
OKLab	oklab(45.86% -0.0201 -0.1811)
OKLCH	oklch(45.86% 0.182 263.7)
XYZ	xyz(12.0863, 9.0313, 48.1103)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4CBB #BB8D1E

analogous

#1E9BBB #1E4CBB #3E1EBB

triadic

#1E4CBB #BB1E4C #4CBB1E

tetradic

#1E4CBB #BB1E9B #BB8D1E #1EBB3E

square

#1E4CBB #BB1E9B #BB8D1E #1EBB3E

split-complementary

#1E4CBB #BB3E1E #9BBB1E

monochromatic

#0D2152 #163786 #1E4CBB #3768DF #6C90E7

Accessibility & contrast

On white

7.48

#1E4CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#1E4CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4CBB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4CBB	#FFFFFF	#000000	##FFFFFF
##1E4CBB	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1e4cbb;
/* rgb */ color: rgb(30, 76, 187);
/* oklch */ color: oklch(45.9% 0.182 263.7);

Tailwind

colors: {
  custom: {
    50: '#777dd0',
    500: '#1e4cbb',
    950: '#000000',
  },
}

SCSS

$custom: #1e4cbb;
$custom-light: #777dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4cbb",
  "rgb": {
    "r": 30,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 222.42,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45855,
    "c": 0.1822,
    "h": 263.7
  },
  "luminance": 0.09033
}

Semantic roles & 50–950 ramp

primary

#1E4CBB

secondary

#CDAF67

accent

#BA39EF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #1E4CBB

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

Preview Lab → · Contrast checker → · Palette generator →