#1F4E85#1F4E85

#1F4E85 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.105 H 254.4°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E85
RGB	rgb(31, 78, 133)
HSL	hsl(212, 62%, 32%)
HSV	hsv(212, 77%, 52%)
CMYK	cmyk(76.7%, 41.4%, 0%, 47.8%)
CIE-LAB	lab(32.77, 4.44, -35.41)
CIE-LCH	lch(32.77, 35.68, 277.14°)
OKLab	oklab(42.14% -0.0282 -0.1011)
OKLCH	oklch(42.14% 0.105 254.4)
XYZ	xyz(7.5215, 7.4327, 23.2240)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E85 #85561F

analogous

#1F8185 #1F4E85 #231F85

triadic

#1F4E85 #851F4E #4E851F

tetradic

#1F4E85 #851F81 #85561F #1F8523

square

#1F4E85 #851F81 #85561F #1F8523

split-complementary

#1F4E85 #85231F #81851F

monochromatic

#081422 #133153 #1F4E85 #2B6BB7 #4A8AD5

Accessibility & contrast

On white

8.44

#1F4E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1F4E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E85

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E85	#FFFFFF	#000000	##FFFFFF
##1F4E85	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345287

Deuteranopia (green-blind)

#234984

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f4e85;
/* rgb */ color: rgb(31, 78, 133);
/* oklch */ color: oklch(42.1% 0.105 254.4);

Tailwind

colors: {
  custom: {
    50: '#6a7fa9',
    500: '#1f4e85',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e85;
$custom-light: #6a7fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e85",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 133
  },
  "hsl": {
    "h": 212.353,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42137,
    "c": 0.10495,
    "h": 254.4
  },
  "luminance": 0.07434
}

Semantic roles & 50–950 ramp

primary

#1F4E85

secondary

#B78449

accent

#9A43E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1F4E85

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

Preview Lab → · Contrast checker → · Palette generator →