#1F508E#1F508E

#1F508E is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.2% C 0.115 H 255.9°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F508E
RGB	rgb(31, 80, 142)
HSL	hsl(214, 64%, 34%)
HSV	hsv(214, 78%, 56%)
CMYK	cmyk(78.2%, 43.7%, 0%, 44.3%)
CIE-LAB	lab(33.94, 6.69, -39.06)
CIE-LCH	lch(33.94, 39.63, 279.71°)
OKLab	oklab(43.23% -0.028 -0.1118)
OKLCH	oklch(43.23% 0.115 255.9)
XYZ	xyz(8.3144, 7.9807, 26.6882)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F508E #8E5D1F

analogous

#1F888E #1F508E #261F8E

triadic

#1F508E #8E1F50 #508E1F

tetradic

#1F508E #8E1F88 #8E5D1F #1F8E26

square

#1F508E #8E1F88 #8E5D1F #1F8E26

split-complementary

#1F508E #8E261F #888E1F

monochromatic

#09172A #14345C #1F508E #2A6CC0 #4F8CD9

Accessibility & contrast

On white

8.09

#1F508E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1F508E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F508E

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F508E	#FFFFFF	#000000	##FFFFFF
##1F508E	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315590

Deuteranopia (green-blind)

#1D4B8D

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1f508e;
/* rgb */ color: rgb(31, 80, 142);
/* oklch */ color: oklch(43.2% 0.115 255.9);

Tailwind

colors: {
  custom: {
    50: '#6c80af',
    500: '#1f508e',
    950: '#000000',
  },
}

SCSS

$custom: #1f508e;
$custom-light: #6c80af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f508e",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 142
  },
  "hsl": {
    "h": 213.514,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43226,
    "c": 0.11523,
    "h": 255.9
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary

#1F508E

secondary

#BB8B4D

accent

#9E41E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1F508E

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

Preview Lab → · Contrast checker → · Palette generator →