#1F5BAD#1F5BAD

#1F5BAD is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 48.0% C 0.145 H 257.5°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F5BAD
RGB	rgb(31, 91, 173)
HSL	hsl(215, 70%, 40%)
HSV	hsv(215, 82%, 68%)
CMYK	cmyk(82.1%, 47.4%, 0%, 32.2%)
CIE-LAB	lab(39.22, 11.73, -49.19)
CIE-LCH	lch(39.22, 50.57, 283.41°)
OKLab	oklab(47.95% -0.0312 -0.1414)
OKLCH	oklch(47.95% 0.145 257.5)
XYZ	xyz(11.8462, 10.7892, 40.9852)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5BAD #AD711F

analogous

#1FA2AD #1F5BAD #2A1FAD

triadic

#1F5BAD #AD1F5B #5BAD1F

tetradic

#1F5BAD #AD1FA2 #AD711F #1FAD2A

square

#1F5BAD #AD1FA2 #AD711F #1FAD2A

split-complementary

#1F5BAD #AD2A1F #A2AD1F

monochromatic

#0C2445 #164079 #1F5BAD #2F77DA #6399E3

Accessibility & contrast

On white

6.65

#1F5BAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1F5BAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5BAD

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5BAD	#FFFFFF	#000000	##FFFFFF
##1F5BAD	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D63B0

Deuteranopia (green-blind)

#0056AB

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f5bad;
/* rgb */ color: rgb(31, 91, 173);
/* oklch */ color: oklch(48.0% 0.145 257.5);

Tailwind

colors: {
  custom: {
    50: '#7388c6',
    500: '#1f5bad',
    950: '#000000',
  },
}

SCSS

$custom: #1f5bad;
$custom-light: #7388c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5bad",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 173
  },
  "hsl": {
    "h": 214.648,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.47954,
    "c": 0.14477,
    "h": 257.5
  },
  "luminance": 0.10791
}

Semantic roles & 50–950 ramp

primary

#1F5BAD

secondary

#C89C60

accent

#A23BEC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5BAD

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

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