#1F5AAA#1F5AAA

#1F5AAA is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.5% C 0.142 H 257.4°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F5AAA
RGB	rgb(31, 90, 170)
HSL	hsl(215, 69%, 39%)
HSV	hsv(215, 82%, 67%)
CMYK	cmyk(81.8%, 47.1%, 0%, 33.3%)
CIE-LAB	lab(38.73, 11.20, -48.21)
CIE-LCH	lch(38.73, 49.49, 283.08°)
OKLab	oklab(47.51% -0.031 -0.1385)
OKLCH	oklch(47.51% 0.142 257.4)
XYZ	xyz(11.4743, 10.5045, 39.4452)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5AAA #AA6F1F

analogous

#1FA0AA #1F5AAA #291FAA

triadic

#1F5AAA #AA1F5A #5AAA1F

tetradic

#1F5AAA #AA1FA0 #AA6F1F #1FAA29

square

#1F5AAA #AA1FA0 #AA6F1F #1FAA29

split-complementary

#1F5AAA #AA291F #A0AA1F

monochromatic

#0C2342 #163F76 #1F5AAA #2D76D9 #6198E2

Accessibility & contrast

On white

6.77

#1F5AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1F5AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5AAA

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5AAA	#FFFFFF	#000000	##FFFFFF
##1F5AAA	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E62AD

Deuteranopia (green-blind)

#0555A8

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5aaa;
/* rgb */ color: rgb(31, 90, 170);
/* oklch */ color: oklch(47.5% 0.142 257.4);

Tailwind

colors: {
  custom: {
    50: '#7288c4',
    500: '#1f5aaa',
    950: '#000000',
  },
}

SCSS

$custom: #1f5aaa;
$custom-light: #7288c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5aaa",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 214.532,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47513,
    "c": 0.14189,
    "h": 257.4
  },
  "luminance": 0.10506
}

Semantic roles & 50–950 ramp

primary

#1F5AAA

secondary

#C79A5E

accent

#A13CEC

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5AAA

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

Preview Lab → · Contrast checker → · Palette generator →