#1F4D7A#1F4D7A

#1F4D7A is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.091 H 250.6°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F4D7A
RGB	rgb(31, 77, 122)
HSL	hsl(210, 59%, 30%)
HSV	hsv(210, 75%, 48%)
CMYK	cmyk(74.6%, 36.9%, 0%, 52.2%)
CIE-LAB	lab(31.81, 0.76, -30.11)
CIE-LCH	lch(31.81, 30.12, 271.45°)
OKLab	oklab(41.18% -0.0302 -0.0856)
OKLCH	oklch(41.18% 0.091 250.6)
XYZ	xyz(6.7305, 7.0035, 19.4057)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4D7A #7A4C1F

analogous

#1F7A79 #1F4D7A #1F207A

triadic

#1F4D7A #7A1F4D #4D7A1F

tetradic

#1F4D7A #791F7A #7A4C1F #207A1F

square

#1F4D7A #791F7A #7A4C1F #207A1F

split-complementary

#1F4D7A #7A1F20 #7A791F

monochromatic

#060F18 #132E49 #1F4D7A #2B6CAB #448ACF

Accessibility & contrast

On white

8.75

#1F4D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1F4D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4D7A

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4D7A	#FFFFFF	#000000	##FFFFFF
##1F4D7A	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39507C

Deuteranopia (green-blind)

#2B4779

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f4d7a;
/* rgb */ color: rgb(31, 77, 122);
/* oklch */ color: oklch(41.2% 0.091 250.6);

Tailwind

colors: {
  custom: {
    50: '#677ea0',
    500: '#1f4d7a',
    950: '#000000',
  },
}

SCSS

$custom: #1f4d7a;
$custom-light: #677ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4d7a",
  "rgb": {
    "r": 31,
    "g": 77,
    "b": 122
  },
  "hsl": {
    "h": 209.67,
    "s": 59.477,
    "l": 30
  },
  "oklch": {
    "l": 0.41179,
    "c": 0.09075,
    "h": 250.6
  },
  "luminance": 0.07004
}

Semantic roles & 50–950 ramp

primary

#1F4D7A

secondary

#AD7A47

accent

#9345E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #1F4D7A

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

Preview Lab → · Contrast checker → · Palette generator →