#1F739E#1F739E

#1F739E is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.7% C 0.102 H 236.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#1F739E
RGB	rgb(31, 115, 158)
HSL	hsl(200, 67%, 37%)
HSV	hsv(200, 80%, 62%)
CMYK	cmyk(80.4%, 27.2%, 0%, 38%)
CIE-LAB	lab(45.66, -9.06, -30.12)
CIE-LCH	lch(45.66, 31.45, 253.25°)
OKLab	oklab(52.73% -0.0565 -0.0851)
OKLCH	oklch(52.73% 0.102 236.4)
XYZ	xyz(12.8649, 15.0198, 34.5622)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F739E #9E4A1F

analogous

#1F9E8A #1F739E #1F349E

triadic

#1F739E #9E1F73 #739E1F

tetradic

#1F739E #8A1F9E #9E4A1F #349E1F

square

#1F739E #8A1F9E #9E4A1F #349E1F

split-complementary

#1F739E #9E1F34 #9E8A1F

monochromatic

#0B2938 #154E6B #1F739E #2998D1 #59B1DE

Accessibility & contrast

On white

5.24

#1F739E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#1F739E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F739E

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F739E	#FFFFFF	#000000	##FFFFFF
##1F739E	1.00	5.24	4.00	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E73A0

Deuteranopia (green-blind)

#4D679D

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1f739e;
/* rgb */ color: rgb(31, 115, 158);
/* oklch */ color: oklch(52.7% 0.102 236.4);

Tailwind

colors: {
  custom: {
    50: '#709bbb',
    500: '#1f739e',
    950: '#000000',
  },
}

SCSS

$custom: #1f739e;
$custom-light: #709bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f739e",
  "rgb": {
    "r": 31,
    "g": 115,
    "b": 158
  },
  "hsl": {
    "h": 200.315,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.5273,
    "c": 0.10212,
    "h": 236.4
  },
  "luminance": 0.15021
}

Semantic roles & 50–950 ramp

primary

#1F739E

secondary

#C27B56

accent

#783EEA

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1F739E

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

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