#1F538E#1F538E

#1F538E is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.9% C 0.112 H 254.0°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F538E
RGB	rgb(31, 83, 142)
HSL	hsl(212, 64%, 34%)
HSV	hsv(212, 78%, 56%)
CMYK	cmyk(78.2%, 41.5%, 0%, 44.3%)
CIE-LAB	lab(34.86, 4.70, -37.59)
CIE-LCH	lch(34.86, 37.88, 277.13°)
OKLab	oklab(43.94% -0.0308 -0.1074)
OKLCH	oklch(43.94% 0.112 254)
XYZ	xyz(8.5390, 8.4298, 26.7630)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F538E #8E5A1F

analogous

#1F8B8E #1F538E #231F8E

triadic

#1F538E #8E1F53 #538E1F

tetradic

#1F538E #8E1F8B #8E5A1F #1F8E23

square

#1F538E #8E1F8B #8E5A1F #1F8E23

split-complementary

#1F538E #8E231F #8B8E1F

monochromatic

#09182A #14365C #1F538E #2A70C0 #4F8FD9

Accessibility & contrast

On white

7.82

#1F538E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1F538E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F538E

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F538E	#FFFFFF	#000000	##FFFFFF
##1F538E	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375790

Deuteranopia (green-blind)

#244D8D

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f538e;
/* rgb */ color: rgb(31, 83, 142);
/* oklch */ color: oklch(43.9% 0.112 254.0);

Tailwind

colors: {
  custom: {
    50: '#6c82af',
    500: '#1f538e',
    950: '#000000',
  },
}

SCSS

$custom: #1f538e;
$custom-light: #6c82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f538e",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 142
  },
  "hsl": {
    "h": 211.892,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43941,
    "c": 0.11172,
    "h": 254
  },
  "luminance": 0.08431
}

Semantic roles & 50–950 ramp

primary

#1F538E

secondary

#BB884D

accent

#9941E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1F538E

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

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