#1F5AC2#1F5AC2

#1F5AC2 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.174 H 260.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F5AC2
RGB	rgb(31, 90, 194)
HSL	hsl(218, 72%, 44%)
HSV	hsv(218, 84%, 76%)
CMYK	cmyk(84%, 53.6%, 0%, 23.9%)
CIE-LAB	lab(40.41, 20.65, -59.59)
CIE-LCH	lch(40.41, 63.07, 289.11°)
OKLab	oklab(49.33% -0.0276 -0.172)
OKLCH	oklch(49.33% 0.174 260.9)
XYZ	xyz(13.9553, 11.4969, 52.5121)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5AC2 #C2871F

analogous

#1FACC2 #1F5AC2 #361FC2

triadic

#1F5AC2 #C21F5A #5AC21F

tetradic

#1F5AC2 #C21FAC #C2871F #1FC236

square

#1F5AC2 #C21FAC #C2871F #1FC236

split-complementary

#1F5AC2 #C2361F #ACC21F

monochromatic

#0E2958 #17428D #1F5AC2 #3E79E0 #739DE9

Accessibility & contrast

On white

6.36

#1F5AC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#1F5AC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5AC2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5AC2	#FFFFFF	#000000	##FFFFFF
##1F5AC2	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C6

Deuteranopia (green-blind)

#0058C0

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1f5ac2;
/* rgb */ color: rgb(31, 90, 194);
/* oklch */ color: oklch(49.3% 0.174 260.9);

Tailwind

colors: {
  custom: {
    50: '#7887d5',
    500: '#1f5ac2',
    950: '#000000',
  },
}

SCSS

$custom: #1f5ac2;
$custom-light: #7887d5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5ac2",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 194
  },
  "hsl": {
    "h": 218.282,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49325,
    "c": 0.17417,
    "h": 260.9
  },
  "luminance": 0.11499
}

Semantic roles & 50–950 ramp

primary

#1F5AC2

secondary

#CFAC6D

accent

#AD39EF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #1F5AC2

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

Preview Lab → · Contrast checker → · Palette generator →