#1F607B#1F607B

#1F607B is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.1% C 0.077 H 229.7°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#1F607B
RGB	rgb(31, 96, 123)
HSL	hsl(198, 60%, 30%)
HSV	hsv(198, 75%, 48%)
CMYK	cmyk(74.8%, 22%, 0%, 51.8%)
CIE-LAB	lab(38.00, -10.72, -21.05)
CIE-LCH	lch(38.00, 23.62, 243.01°)
OKLab	oklab(46.09% -0.0501 -0.0591)
OKLCH	oklch(46.09% 0.077 229.7)
XYZ	xyz(8.3217, 10.0862, 20.2433)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F607B #7B3A1F

analogous

#1F7B68 #1F607B #1F327B

triadic

#1F607B #7B1F60 #607B1F

tetradic

#1F607B #681F7B #7B3A1F #327B1F

square

#1F607B #681F7B #7B3A1F #327B1F

split-complementary

#1F607B #7B1F32 #7B681F

monochromatic

#061419 #133A4A #1F607B #2B86AC #44A7D0

Accessibility & contrast

On white

6.96

#1F607B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1F607B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F607B

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F607B	#FFFFFF	#000000	##FFFFFF
##1F607B	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525F7C

Deuteranopia (green-blind)

#46557B

Tritanopia (blue-blind)

#006869

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1f607b;
/* rgb */ color: rgb(31, 96, 123);
/* oklch */ color: oklch(46.1% 0.077 229.7);

Tailwind

colors: {
  custom: {
    50: '#688da1',
    500: '#1f607b',
    950: '#000000',
  },
}

SCSS

$custom: #1f607b;
$custom-light: #688da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f607b",
  "rgb": {
    "r": 31,
    "g": 96,
    "b": 123
  },
  "hsl": {
    "h": 197.609,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.4609,
    "c": 0.07744,
    "h": 229.7
  },
  "luminance": 0.10087
}

Semantic roles & 50–950 ramp

primary

#1F607B

secondary

#AE6648

accent

#7345E3

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #1F607B

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

Preview Lab → · Contrast checker → · Palette generator →