#1E289F#1E289F

#1E289F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.187 H 269.5°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#1E289F
RGB	rgb(30, 40, 159)
HSL	hsl(235, 68%, 37%)
HSV	hsv(235, 81%, 62%)
CMYK	cmyk(81.1%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(24.63, 39.82, -64.60)
CIE-LCH	lch(24.63, 75.89, 301.65°)
OKLab	oklab(36.68% -0.0017 -0.1872)
OKLCH	oklch(36.68% 0.187 269.5)
XYZ	xyz(7.5501, 4.2959, 33.2254)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E289F #9F951E

analogous

#1E699F #1E289F #551E9F

triadic

#1E289F #9F1E28 #289F1E

tetradic

#1E289F #9F1E69 #9F951E #1E9F55

square

#1E289F #9F1E69 #9F951E #1E9F55

split-complementary

#1E289F #9F551E #699F1E

monochromatic

#0B0E38 #141B6C #1E289F #2835D2 #5862DF

Accessibility & contrast

On white

11.29

#1E289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1E289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E289F

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E289F	#FFFFFF	#000000	##FFFFFF
##1E289F	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A2

Deuteranopia (green-blind)

#00349D

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e289f;
/* rgb */ color: rgb(30, 40, 159);
/* oklch */ color: oklch(36.7% 0.187 269.5);

Tailwind

colors: {
  custom: {
    50: '#7363bd',
    500: '#1e289f',
    950: '#000000',
  },
}

SCSS

$custom: #1e289f;
$custom-light: #7363bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1e289f",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 235.349,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36684,
    "c": 0.18717,
    "h": 269.5
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary

#1E289F

secondary

#C3BB56

accent

#DE3DEB

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #1E289F

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

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