#10375B#10375B
#10375B is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.0% C 0.077 H 250.0°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).
Color values
| HEX | #10375B |
|---|---|
| RGB | rgb(16, 55, 91) |
| HSL | hsl(209, 70%, 21%) |
| HSV | hsv(209, 82%, 36%) |
| CMYK | cmyk(82.4%, 39.6%, 0%, 64.3%) |
| CIE-LAB | lab(22.29, 0.77, -25.42) |
| CIE-LCH | lch(22.29, 25.43, 271.74°) |
| OKLab | oklab(32.98% -0.0264 -0.0724) |
| OKLCH | oklch(32.98% 0.077 250) |
| XYZ | xyz(3.4675, 3.5975, 10.4071) |
| Luminance | 0.0360 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 2.51
Marine
#042E60
ΔE00 4.03
Twilight Blue
#0A437A
ΔE00 5.18
Prussian Blue
#004577
ΔE00 5.49
Darkish Blue
#014182
ΔE00 5.66
Navy Blue
#1B2A4A
ΔE00 6.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#10375B #5B3410
analogous
#105B59 #10375B #10115B
triadic
#10375B #5B1037 #375B10
tetradic
#10375B #59105B #5B3410 #115B10
square
#10375B #59105B #5B3410 #115B10
split-complementary
#10375B #5B1011 #5B5910
monochromatic
#05101A #071827 #10375B #19568F #2276C3
Accessibility & contrast
On white
12.21
#10375B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.72
#10375B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #10375B
12.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##10375B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##10375B | 1.00 | 12.21 | 1.72 | 12.21 |
| #FFFFFF | 12.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#26395C
Deuteranopia (green-blind)
#1B325A
Tritanopia (blue-blind)
#004044
Achromatopsia (no color)
#353535
Design tokens & code
CSS
--color: #10375b; /* rgb */ color: rgb(16, 55, 91); /* oklch */ color: oklch(33.0% 0.077 250.0);
Tailwind
colors: {
custom: {
50: '#5b6d89',
500: '#10375b',
950: '#000000',
},
}SCSS
$custom: #10375b; $custom-light: #5b6d89; $custom-dark: #000000;
JSON
{
"hex": "#10375b",
"rgb": {
"r": 16,
"g": 55,
"b": 91
},
"hsl": {
"h": 208.8,
"s": 70.093,
"l": 20.98
},
"oklch": {
"l": 0.32978,
"c": 0.07708,
"h": 250
},
"luminance": 0.03598
}Semantic roles & 50–950 ramp
primary
#10375B
secondary
#946133
accent
#903BED
background
#F5F6F8
surface
#E9EBF0
border
#C5C6CB
text
#04070B
muted
#797A7C