#1F487F#1F487F

#1F487F is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.104 H 256.7°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F487F
RGB	rgb(31, 72, 127)
HSL	hsl(214, 61%, 31%)
HSV	hsv(214, 76%, 50%)
CMYK	cmyk(75.6%, 43.3%, 0%, 50.2%)
CIE-LAB	lab(30.54, 6.07, -35.25)
CIE-LCH	lch(30.54, 35.77, 279.77°)
OKLab	oklab(40.28% -0.0238 -0.1007)
OKLCH	oklch(40.28% 0.104 256.7)
XYZ	xyz(6.7118, 6.4576, 20.9673)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F487F #7F561F

analogous

#1F787F #1F487F #261F7F

triadic

#1F487F #7F1F48 #487F1F

tetradic

#1F487F #7F1F78 #7F561F #1F7F26

square

#1F487F #7F1F78 #7F561F #1F7F26

split-complementary

#1F487F #7F261F #787F1F

monochromatic

#07101D #132C4E #1F487F #2B64B0 #4682D2

Accessibility & contrast

On white

9.16

#1F487F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1F487F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F487F

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F487F	#FFFFFF	#000000	##FFFFFF
##1F487F	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4D81

Deuteranopia (green-blind)

#1D447E

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f487f;
/* rgb */ color: rgb(31, 72, 127);
/* oklch */ color: oklch(40.3% 0.104 256.7);

Tailwind

colors: {
  custom: {
    50: '#687aa4',
    500: '#1f487f',
    950: '#000000',
  },
}

SCSS

$custom: #1f487f;
$custom-light: #687aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f487f",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 127
  },
  "hsl": {
    "h": 214.375,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4028,
    "c": 0.10352,
    "h": 256.7
  },
  "luminance": 0.06458
}

Semantic roles & 50–950 ramp

primary

#1F487F

secondary

#B28548

accent

#A044E4

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F487F

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

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