#1F5BA1#1F5BA1

#1F5BA1 is a mid, vivid cyan. Relative luminance 0.103; OKLCH L 47.1% C 0.128 H 254.8°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#1F5BA1
RGB	rgb(31, 91, 161)
HSL	hsl(212, 68%, 38%)
HSV	hsv(212, 81%, 63%)
CMYK	cmyk(80.7%, 43.5%, 0%, 36.9%)
CIE-LAB	lab(38.46, 6.98, -43.30)
CIE-LCH	lch(38.46, 43.86, 279.16°)
OKLab	oklab(47.11% -0.0336 -0.124)
OKLCH	oklch(47.11% 0.128 254.8)
XYZ	xyz(10.7368, 10.3454, 35.1423)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5BA1 #A1651F

analogous

#1F9CA1 #1F5BA1 #241FA1

triadic

#1F5BA1 #A11F5B #5BA11F

tetradic

#1F5BA1 #A11F9C #A1651F #1FA124

square

#1F5BA1 #A11F9C #A1651F #1FA124

split-complementary

#1F5BA1 #A1241F #9CA11F

monochromatic

#0B213A #153E6E #1F5BA1 #2978D4 #5B98DF

Accessibility & contrast

On white

6.84

#1F5BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#1F5BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5BA1

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5BA1	#FFFFFF	#000000	##FFFFFF
##1F5BA1	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3861A4

Deuteranopia (green-blind)

#1F55A0

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5ba1;
/* rgb */ color: rgb(31, 91, 161);
/* oklch */ color: oklch(47.1% 0.128 254.8);

Tailwind

colors: {
  custom: {
    50: '#7088bd',
    500: '#1f5ba1',
    950: '#000000',
  },
}

SCSS

$custom: #1f5ba1;
$custom-light: #7088bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5ba1",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 161
  },
  "hsl": {
    "h": 212.308,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.47113,
    "c": 0.12849,
    "h": 254.8
  },
  "luminance": 0.10347
}

Semantic roles & 50–950 ramp

primary

#1F5BA1

secondary

#C49258

accent

#9B3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5BA1

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

Preview Lab → · Contrast checker → · Palette generator →