#1F4367#1F4367

#1F4367 is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.5% C 0.075 H 250.5°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F4367
RGB	rgb(31, 67, 103)
HSL	hsl(210, 54%, 26%)
HSV	hsv(210, 70%, 40%)
CMYK	cmyk(69.9%, 35%, 0%, 59.6%)
CIE-LAB	lab(27.53, -0.04, -24.89)
CIE-LCH	lch(27.53, 24.89, 269.91°)
OKLab	oklab(37.47% -0.025 -0.0705)
OKLCH	oklch(37.47% 0.075 250.5)
XYZ	xyz(5.0195, 5.2844, 13.5848)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4367 #67431F

analogous

#1F6767 #1F4367 #1F1F67

triadic

#1F4367 #671F43 #43671F

tetradic

#1F4367 #671F67 #67431F #1F671F

square

#1F4367 #671F67 #67431F #1F671F

split-complementary

#1F4367 #671F1F #67671F

monochromatic

#070F18 #112438 #1F4367 #2D6296 #3C80C4

Accessibility & contrast

On white

10.21

#1F4367 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1F4367 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4367

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4367	#FFFFFF	#000000	##FFFFFF
##1F4367	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334569

Deuteranopia (green-blind)

#293E66

Tritanopia (blue-blind)

#004B50

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1f4367;
/* rgb */ color: rgb(31, 67, 103);
/* oklch */ color: oklch(37.5% 0.075 250.5);

Tailwind

colors: {
  custom: {
    50: '#637692',
    500: '#1f4367',
    950: '#000000',
  },
}

SCSS

$custom: #1f4367;
$custom-light: #637692;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4367",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 103
  },
  "hsl": {
    "h": 210,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37471,
    "c": 0.07476,
    "h": 250.5
  },
  "luminance": 0.05285
}

Semantic roles & 50–950 ramp

primary

#1F4367

secondary

#9B7146

accent

#944BDD

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1F4367

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

Preview Lab → · Contrast checker → · Palette generator →