#1E377F#1E377F

#1E377F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.126 H 265.8°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#1E377F
RGB	rgb(30, 55, 127)
HSL	hsl(225, 62%, 31%)
HSV	hsv(225, 76%, 50%)
CMYK	cmyk(76.4%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(25.38, 17.69, -43.56)
CIE-LCH	lch(25.38, 47.01, 292.11°)
OKLab	oklab(36.32% -0.0091 -0.1255)
OKLCH	oklch(36.32% 0.126 265.8)
XYZ	xyz(5.7310, 4.5401, 20.6488)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E377F #7F661E

analogous

#1E677F #1E377F #351E7F

triadic

#1E377F #7F1E37 #377F1E

tetradic

#1E377F #7F1E67 #7F661E #1E7F35

square

#1E377F #7F1E67 #7F661E #1E7F35

split-complementary

#1E377F #7F351E #677F1E

monochromatic

#070C1C #12224D #1E377F #2A4CB1 #4469D3

Accessibility & contrast

On white

11.01

#1E377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1E377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E377F

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E377F	#FFFFFF	#000000	##FFFFFF
##1E377F	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004182

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e377f;
/* rgb */ color: rgb(30, 55, 127);
/* oklch */ color: oklch(36.3% 0.126 265.8);

Tailwind

colors: {
  custom: {
    50: '#696da5',
    500: '#1e377f',
    950: '#000000',
  },
}

SCSS

$custom: #1e377f;
$custom-light: #696da5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e377f",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 224.536,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3632,
    "c": 0.12583,
    "h": 265.8
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#1E377F

secondary

#B29647

accent

#BB43E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E377F

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

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