#1F4385#1F4385

#1F4385 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.5% C 0.118 H 261.3°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F4385
RGB	rgb(31, 67, 133)
HSL	hsl(219, 62%, 32%)
HSV	hsv(219, 77%, 52%)
CMYK	cmyk(76.7%, 49.6%, 0%, 47.8%)
CIE-LAB	lab(29.41, 11.89, -40.80)
CIE-LCH	lch(29.41, 42.49, 286.24°)
OKLab	oklab(39.54% -0.018 -0.1171)
OKLCH	oklch(39.54% 0.119 261.3)
XYZ	xyz(6.8043, 5.9983, 22.9849)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4385 #85611F

analogous

#1F7685 #1F4385 #2E1F85

triadic

#1F4385 #851F43 #43851F

tetradic

#1F4385 #851F76 #85611F #1F852E

square

#1F4385 #851F76 #85611F #1F852E

split-complementary

#1F4385 #852E1F #76851F

monochromatic

#081122 #132A53 #1F4385 #2B5CB7 #4A7BD5

Accessibility & contrast

On white

9.55

#1F4385 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1F4385 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4385

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4385	#FFFFFF	#000000	##FFFFFF
##1F4385	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4A87

Deuteranopia (green-blind)

#004184

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f4385;
/* rgb */ color: rgb(31, 67, 133);
/* oklch */ color: oklch(39.5% 0.118 261.3);

Tailwind

colors: {
  custom: {
    50: '#6a76a9',
    500: '#1f4385',
    950: '#000000',
  },
}

SCSS

$custom: #1f4385;
$custom-light: #6a76a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4385",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 133
  },
  "hsl": {
    "h": 218.824,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39536,
    "c": 0.1185,
    "h": 261.3
  },
  "luminance": 0.05999
}

Semantic roles & 50–950 ramp

primary

#1F4385

secondary

#B79049

accent

#AC43E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4385

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

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