#1F4E7D#1F4E7D

#1F4E7D is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.094 H 251.1°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E7D
RGB	rgb(31, 78, 125)
HSL	hsl(210, 60%, 31%)
HSV	hsv(210, 75%, 49%)
CMYK	cmyk(75.2%, 37.6%, 0%, 51%)
CIE-LAB	lab(32.30, 1.28, -31.21)
CIE-LCH	lch(32.30, 31.23, 272.35°)
OKLab	oklab(41.62% -0.0303 -0.0888)
OKLCH	oklch(41.62% 0.094 251.1)
XYZ	xyz(6.9897, 7.2200, 20.4233)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E7D #7D4E1F

analogous

#1F7D7D #1F4E7D #1F1F7D

triadic

#1F4E7D #7D1F4E #4E7D1F

tetradic

#1F4E7D #7D1F7D #7D4E1F #1F7D1F

square

#1F4E7D #7D1F7D #7D4E1F #1F7D1F

split-complementary

#1F4E7D #7D1F1F #7D7D1F

monochromatic

#07111B #132F4C #1F4E7D #2B6DAE #458BD1

Accessibility & contrast

On white

8.59

#1F4E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F4E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E7D

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E7D	#FFFFFF	#000000	##FFFFFF
##1F4E7D	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39517F

Deuteranopia (green-blind)

#2B487C

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f4e7d;
/* rgb */ color: rgb(31, 78, 125);
/* oklch */ color: oklch(41.6% 0.094 251.1);

Tailwind

colors: {
  custom: {
    50: '#687fa3',
    500: '#1f4e7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e7d;
$custom-light: #687fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e7d",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 125
  },
  "hsl": {
    "h": 210,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41617,
    "c": 0.09381,
    "h": 251.1
  },
  "luminance": 0.07221
}

Semantic roles & 50–950 ramp

primary

#1F4E7D

secondary

#B07C48

accent

#9444E3

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F4E7D

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

Preview Lab → · Contrast checker → · Palette generator →