#1F5A8E#1F5A8E

#1F5A8E is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.6% C 0.104 H 248.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F5A8E
RGB	rgb(31, 90, 142)
HSL	hsl(208, 64%, 34%)
HSV	hsv(208, 78%, 56%)
CMYK	cmyk(78.2%, 36.6%, 0%, 44.3%)
CIE-LAB	lab(37.03, 0.16, -34.14)
CIE-LCH	lch(37.03, 34.14, 270.28°)
OKLab	oklab(45.64% -0.0374 -0.0972)
OKLCH	oklch(45.64% 0.104 248.9)
XYZ	xyz(9.1019, 9.5556, 26.9506)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5A8E #8E531F

analogous

#1F8E8B #1F5A8E #1F238E

triadic

#1F5A8E #8E1F5A #5A8E1F

tetradic

#1F5A8E #8B1F8E #8E531F #238E1F

square

#1F5A8E #8B1F8E #8E531F #238E1F

split-complementary

#1F5A8E #8E1F23 #8E8B1F

monochromatic

#091A2A #143A5C #1F5A8E #2A7AC0 #4F98D9

Accessibility & contrast

On white

7.21

#1F5A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1F5A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5A8E

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5A8E	#FFFFFF	#000000	##FFFFFF
##1F5A8E	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425D90

Deuteranopia (green-blind)

#32528D

Tritanopia (blue-blind)

#00666D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1f5a8e;
/* rgb */ color: rgb(31, 90, 142);
/* oklch */ color: oklch(45.6% 0.104 248.9);

Tailwind

colors: {
  custom: {
    50: '#6c88af',
    500: '#1f5a8e',
    950: '#000000',
  },
}

SCSS

$custom: #1f5a8e;
$custom-light: #6c88af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5a8e",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 142
  },
  "hsl": {
    "h": 208.108,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45639,
    "c": 0.10412,
    "h": 248.9
  },
  "luminance": 0.09557
}

Semantic roles & 50–950 ramp

primary

#1F5A8E

secondary

#BB814D

accent

#8F41E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1F5A8E

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

Preview Lab → · Contrast checker → · Palette generator →