#1F5CAB#1F5CAB

#1F5CAB is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 48.0% C 0.141 H 256.7°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F5CAB
RGB	rgb(31, 92, 171)
HSL	hsl(214, 69%, 40%)
HSV	hsv(214, 82%, 67%)
CMYK	cmyk(81.9%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(39.39, 10.28, -47.75)
CIE-LCH	lch(39.39, 48.85, 282.15°)
OKLab	oklab(48.04% -0.0324 -0.1371)
OKLCH	oklch(48.04% 0.141 256.7)
XYZ	xyz(11.7402, 10.8844, 40.0023)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5CAB #AB6E1F

analogous

#1FA2AB #1F5CAB #281FAB

triadic

#1F5CAB #AB1F5C #5CAB1F

tetradic

#1F5CAB #AB1FA2 #AB6E1F #1FAB28

square

#1F5CAB #AB1FA2 #AB6E1F #1FAB28

split-complementary

#1F5CAB #AB281F #A2AB1F

monochromatic

#0C2443 #164077 #1F5CAB #2E79D9 #629AE3

Accessibility & contrast

On white

6.61

#1F5CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1F5CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5CAB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5CAB	#FFFFFF	#000000	##FFFFFF
##1F5CAB	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3264AE

Deuteranopia (green-blind)

#0E57A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f5cab;
/* rgb */ color: rgb(31, 92, 171);
/* oklch */ color: oklch(48.0% 0.141 256.7);

Tailwind

colors: {
  custom: {
    50: '#7289c4',
    500: '#1f5cab',
    950: '#000000',
  },
}

SCSS

$custom: #1f5cab;
$custom-light: #7289c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5cab",
  "rgb": {
    "r": 31,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 213.857,
    "s": 69.307,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48037,
    "c": 0.14086,
    "h": 256.7
  },
  "luminance": 0.10886
}

Semantic roles & 50–950 ramp

primary

#1F5CAB

secondary

#C79A5E

accent

#9F3CEC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5CAB

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

Preview Lab → · Contrast checker → · Palette generator →