#1F4E76#1F4E76

#1F4E76 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.084 H 247.4°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E76
RGB	rgb(31, 78, 118)
HSL	hsl(208, 58%, 29%)
HSV	hsv(208, 74%, 46%)
CMYK	cmyk(73.7%, 33.9%, 0%, 53.7%)
CIE-LAB	lab(31.91, -1.45, -27.46)
CIE-LCH	lch(31.91, 27.50, 266.98°)
OKLab	oklab(41.19% -0.0324 -0.0778)
OKLCH	oklch(41.19% 0.084 247.4)
XYZ	xyz(6.5582, 7.0474, 18.1507)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E76 #76471F

analogous

#1F7673 #1F4E76 #1F2376

triadic

#1F4E76 #761F4E #4E761F

tetradic

#1F4E76 #731F76 #76471F #23761F

square

#1F4E76 #731F76 #76471F #23761F

split-complementary

#1F4E76 #761F23 #76731F

monochromatic

#061018 #122E46 #1F4E76 #2C6EA6 #428DCD

Accessibility & contrast

On white

8.72

#1F4E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1F4E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E76

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E76	#FFFFFF	#000000	##FFFFFF
##1F4E76	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5078

Deuteranopia (green-blind)

#304775

Tritanopia (blue-blind)

#00585C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f4e76;
/* rgb */ color: rgb(31, 78, 118);
/* oklch */ color: oklch(41.2% 0.084 247.4);

Tailwind

colors: {
  custom: {
    50: '#677f9d',
    500: '#1f4e76',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e76;
$custom-light: #677f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e76",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 118
  },
  "hsl": {
    "h": 207.586,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.41185,
    "c": 0.08431,
    "h": 247.4
  },
  "luminance": 0.07048
}

Semantic roles & 50–950 ramp

primary

#1F4E76

secondary

#AA7447

accent

#8E46E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1F4E76

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

Preview Lab → · Contrast checker → · Palette generator →