#1E377B#1E377B

#1E377B is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.120 H 265.5°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#1E377B
RGB	rgb(30, 55, 123)
HSL	hsl(224, 61%, 30%)
HSV	hsv(224, 76%, 48%)
CMYK	cmyk(75.6%, 55.3%, 0%, 51.8%)
CIE-LAB	lab(25.07, 16.08, -41.54)
CIE-LCH	lch(25.07, 44.55, 291.16°)
OKLab	oklab(35.98% -0.0094 -0.1196)
OKLCH	oklch(35.98% 0.12 265.5)
XYZ	xyz(5.4755, 4.4379, 19.3031)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E377B #7B621E

analogous

#1E657B #1E377B #341E7B

triadic

#1E377B #7B1E37 #377B1E

tetradic

#1E377B #7B1E65 #7B621E #1E7B34

square

#1E377B #7B1E65 #7B621E #1E7B34

split-complementary

#1E377B #7B341E #657B1E

monochromatic

#060B19 #12214A #1E377B #2A4DAC #4269D1

Accessibility & contrast

On white

11.13

#1E377B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1E377B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E377B

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E377B	#FFFFFF	#000000	##FFFFFF
##1E377B	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05407D

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e377b;
/* rgb */ color: rgb(30, 55, 123);
/* oklch */ color: oklch(36.0% 0.120 265.5);

Tailwind

colors: {
  custom: {
    50: '#686da2',
    500: '#1e377b',
    950: '#000000',
  },
}

SCSS

$custom: #1e377b;
$custom-light: #686da2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e377b",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 123
  },
  "hsl": {
    "h": 223.871,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.35984,
    "c": 0.11995,
    "h": 265.5
  },
  "luminance": 0.04438
}

Semantic roles & 50–950 ramp

primary

#1E377B

secondary

#AE9246

accent

#B944E4

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E377B

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

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