#1F4981#1F4981

#1F4981 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.7% C 0.105 H 256.6°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F4981
RGB	rgb(31, 73, 129)
HSL	hsl(214, 61%, 31%)
HSV	hsv(214, 76%, 51%)
CMYK	cmyk(76%, 43.4%, 0%, 49.4%)
CIE-LAB	lab(30.97, 6.19, -35.80)
CIE-LCH	lch(30.97, 36.33, 279.81°)
OKLab	oklab(40.66% -0.0243 -0.1023)
OKLCH	oklch(40.66% 0.105 256.6)
XYZ	xyz(6.9086, 6.6406, 21.6823)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4981 #81571F

analogous

#1F7A81 #1F4981 #261F81

triadic

#1F4981 #811F49 #49811F

tetradic

#1F4981 #811F7A #81571F #1F8126

square

#1F4981 #811F7A #81571F #1F8126

split-complementary

#1F4981 #81261F #7A811F

monochromatic

#07111E #132D50 #1F4981 #2B65B2 #4783D3

Accessibility & contrast

On white

9.02

#1F4981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1F4981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4981

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4981	#FFFFFF	#000000	##FFFFFF
##1F4981	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4E83

Deuteranopia (green-blind)

#1D4580

Tritanopia (blue-blind)

#00565E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f4981;
/* rgb */ color: rgb(31, 73, 129);
/* oklch */ color: oklch(40.7% 0.105 256.6);

Tailwind

colors: {
  custom: {
    50: '#697ba6',
    500: '#1f4981',
    950: '#000000',
  },
}

SCSS

$custom: #1f4981;
$custom-light: #697ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4981",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 129
  },
  "hsl": {
    "h": 214.286,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40659,
    "c": 0.10518,
    "h": 256.6
  },
  "luminance": 0.06641
}

Semantic roles & 50–950 ramp

primary

#1F4981

secondary

#B48648

accent

#9F43E4

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4981

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

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