#1F5BAA#1F5BAA

#1F5BAA is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.7% C 0.141 H 257.0°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F5BAA
RGB	rgb(31, 91, 170)
HSL	hsl(214, 69%, 39%)
HSV	hsv(214, 82%, 67%)
CMYK	cmyk(81.8%, 46.5%, 0%, 33.3%)
CIE-LAB	lab(39.03, 10.54, -47.73)
CIE-LCH	lch(39.03, 48.88, 282.45°)
OKLab	oklab(47.74% -0.0318 -0.1371)
OKLCH	oklch(47.74% 0.141 257)
XYZ	xyz(11.5592, 10.6744, 39.4735)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5BAA #AA6E1F

analogous

#1FA1AA #1F5BAA #291FAA

triadic

#1F5BAA #AA1F5B #5BAA1F

tetradic

#1F5BAA #AA1FA1 #AA6E1F #1FAA29

square

#1F5BAA #AA1FA1 #AA6E1F #1FAA29

split-complementary

#1F5BAA #AA291F #A1AA1F

monochromatic

#0C2442 #163F76 #1F5BAA #2D77D9 #6199E2

Accessibility & contrast

On white

6.70

#1F5BAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1F5BAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5BAA

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5BAA	#FFFFFF	#000000	##FFFFFF
##1F5BAA	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3063AD

Deuteranopia (green-blind)

#0B56A8

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f5baa;
/* rgb */ color: rgb(31, 91, 170);
/* oklch */ color: oklch(47.7% 0.141 257.0);

Tailwind

colors: {
  custom: {
    50: '#7288c4',
    500: '#1f5baa',
    950: '#000000',
  },
}

SCSS

$custom: #1f5baa;
$custom-light: #7288c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5baa",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 170
  },
  "hsl": {
    "h": 214.101,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47739,
    "c": 0.1407,
    "h": 257
  },
  "luminance": 0.10676
}

Semantic roles & 50–950 ramp

primary

#1F5BAA

secondary

#C79A5E

accent

#A03CEC

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5BAA

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

Preview Lab → · Contrast checker → · Palette generator →