#1F5DA1#1F5DA1

#1F5DA1 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.6% C 0.126 H 253.8°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F5DA1
RGB	rgb(31, 93, 161)
HSL	hsl(211, 68%, 38%)
HSV	hsv(211, 81%, 63%)
CMYK	cmyk(80.7%, 42.2%, 0%, 36.9%)
CIE-LAB	lab(39.06, 5.68, -42.34)
CIE-LCH	lch(39.06, 42.72, 277.64°)
OKLab	oklab(47.58% -0.0353 -0.1212)
OKLCH	oklch(47.58% 0.126 253.8)
XYZ	xyz(10.9100, 10.6919, 35.2000)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5DA1 #A1631F

analogous

#1F9EA1 #1F5DA1 #221FA1

triadic

#1F5DA1 #A11F5D #5DA11F

tetradic

#1F5DA1 #A11F9E #A1631F #1FA122

square

#1F5DA1 #A11F9E #A1631F #1FA122

split-complementary

#1F5DA1 #A1221F #9EA11F

monochromatic

#0B223A #153F6E #1F5DA1 #297BD4 #5B9ADF

Accessibility & contrast

On white

6.69

#1F5DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1F5DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5DA1

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5DA1	#FFFFFF	#000000	##FFFFFF
##1F5DA1	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B62A4

Deuteranopia (green-blind)

#2457A0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f5da1;
/* rgb */ color: rgb(31, 93, 161);
/* oklch */ color: oklch(47.6% 0.126 253.8);

Tailwind

colors: {
  custom: {
    50: '#708abd',
    500: '#1f5da1',
    950: '#000000',
  },
}

SCSS

$custom: #1f5da1;
$custom-light: #708abd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5da1",
  "rgb": {
    "r": 31,
    "g": 93,
    "b": 161
  },
  "hsl": {
    "h": 211.385,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4758,
    "c": 0.1262,
    "h": 253.8
  },
  "luminance": 0.10693
}

Semantic roles & 50–950 ramp

primary

#1F5DA1

secondary

#C49058

accent

#983DEB

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5DA1

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

Preview Lab → · Contrast checker → · Palette generator →