#1F4E8C#1F4E8C

#1F4E8C is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.6% C 0.115 H 256.6°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E8C
RGB	rgb(31, 78, 140)
HSL	hsl(214, 64%, 34%)
HSV	hsv(214, 78%, 55%)
CMYK	cmyk(77.9%, 44.3%, 0%, 45.1%)
CIE-LAB	lab(33.21, 7.22, -39.01)
CIE-LCH	lch(33.21, 39.68, 280.49°)
OKLab	oklab(42.61% -0.0266 -0.1117)
OKLCH	oklch(42.61% 0.115 256.6)
XYZ	xyz(8.0213, 7.6326, 25.8563)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E8C #8C5D1F

analogous

#1F848C #1F4E8C #261F8C

triadic

#1F4E8C #8C1F4E #4E8C1F

tetradic

#1F4E8C #8C1F84 #8C5D1F #1F8C26

square

#1F4E8C #8C1F84 #8C5D1F #1F8C26

split-complementary

#1F4E8C #8C261F #848C1F

monochromatic

#091628 #14325A #1F4E8C #2A6ABE #4E89D8

Accessibility & contrast

On white

8.31

#1F4E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1F4E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E8C

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E8C	#FFFFFF	#000000	##FFFFFF
##1F4E8C	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F538E

Deuteranopia (green-blind)

#1B498B

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f4e8c;
/* rgb */ color: rgb(31, 78, 140);
/* oklch */ color: oklch(42.6% 0.115 256.6);

Tailwind

colors: {
  custom: {
    50: '#6b7fae',
    500: '#1f4e8c',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e8c;
$custom-light: #6b7fae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e8c",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 140
  },
  "hsl": {
    "h": 214.128,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42614,
    "c": 0.11481,
    "h": 256.6
  },
  "luminance": 0.07634
}

Semantic roles & 50–950 ramp

primary

#1F4E8C

secondary

#BB8B4C

accent

#9F41E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1F4E8C

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

Preview Lab → · Contrast checker → · Palette generator →