#21436A#21436A
#21436A is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.8% C 0.078 H 253.3°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).
Color values
| HEX | #21436A |
|---|---|
| RGB | rgb(33, 67, 106) |
| HSL | hsl(212, 53%, 27%) |
| HSV | hsv(212, 69%, 42%) |
| CMYK | cmyk(68.9%, 36.8%, 0%, 58.4%) |
| CIE-LAB | lab(27.78, 1.51, -26.39) |
| CIE-LCH | lch(27.78, 26.44, 273.27°) |
| OKLab | oklab(37.75% -0.0224 -0.0748) |
| OKLCH | oklch(37.75% 0.078 253.3) |
| XYZ | xyz(5.2349, 5.3777, 14.3950) |
| Luminance | 0.0538 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.81
Prussian Blue
#004577
ΔE00 3.28
Darkish Blue
#014182
ΔE00 3.72
Marine Blue
#01386A
ΔE00 3.92
Cobalt (survey)
#1E488F
ΔE00 5.10
Dark Slate Blue
#214761
ΔE00 5.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21436A #6A4821
analogous
#21686A #21436A #24216A
triadic
#21436A #6A2143 #436A21
tetradic
#21436A #6A2168 #6A4821 #216A24
square
#21436A #6A2168 #6A4821 #216A24
split-complementary
#21436A #6A2421 #686A21
monochromatic
#070F17 #12263B #21436A #306099 #417EC4
Accessibility & contrast
On white
10.12
#21436A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.08
#21436A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21436A
10.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21436A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21436A | 1.00 | 10.12 | 2.08 | 10.12 |
| #FFFFFF | 10.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#32456C
Deuteranopia (green-blind)
#283E69
Tritanopia (blue-blind)
#004C51
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #21436a; /* rgb */ color: rgb(33, 67, 106); /* oklch */ color: oklch(37.8% 0.078 253.3);
Tailwind
colors: {
custom: {
50: '#657695',
500: '#21436a',
950: '#000000',
},
}SCSS
$custom: #21436a; $custom-light: #657695; $custom-dark: #000000;
JSON
{
"hex": "#21436a",
"rgb": {
"r": 33,
"g": 67,
"b": 106
},
"hsl": {
"h": 212.055,
"s": 52.518,
"l": 27.255
},
"oklch": {
"l": 0.3775,
"c": 0.07811,
"h": 253.3
},
"luminance": 0.05378
}Semantic roles & 50–950 ramp
primary
#21436A
secondary
#9E7649
accent
#994CDC
background
#F6F7F9
surface
#EBEDF1
border
#C6C8CB
text
#06080D
muted
#7A7B7E