#00364C
Closest named color: Midnight Green (#073B4C). oklch(31.3% 0.064 232.6), rgb(0, 54, 76).
Aa
White text reads best on this color (12.86:1).
About this color
#00364C is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.064 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.019 away. White text reads best on it, at 12.86:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #00364C |
| RGB | rgb(0, 54, 76) |
| HSL | hsl(197, 100%, 15%) |
| OKLCH | oklch(31.3% 0.064 232.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #00364C | 12.86:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #00364C | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #00364C text on white | 12.86:1 | AAA | Lc 98.6 | Preferred for body text |
| #00364C text on black | 1.63:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF6
oklch(93.6% 0.022 230.5)
-
Step 200
200
#BEDFF1
oklch(88.5% 0.043 231.8)
-
Step 300
300
#8ECAEA
oklch(80.9% 0.076 232.2)
-
Step 400
400
#40ADE0
oklch(70.7% 0.122 232.7)
-
Step 500
500
#0095CA
oklch(63% 0.13 232.7)
-
Step 600
600
#007EAB
oklch(55.7% 0.114 232.4)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950 (this color)
#00364C
oklch(31.3% 0.064 232.6)
#00364C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2B354D | 0.041 |
| Deuteranopia (no green cones) | #212F4C | 0.034 |
| Tritanopia (no blue cones) | #003C3E | 0.038 |
| Achromatopsia (no color) | #323232 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00364C
#00364C
oklch(31.3% 0.064 232.6)
- #4A270E
#4A270E
oklch(31.4% 0.064 53.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #00364C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.019
- Dark Blue Grey #1F3B4D ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.032
- Gunmetal #293241 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.048
- Marine #042E60 ΔE 0.048
- Marine Blue #01386A ΔE 0.053
- Oxford Blue #1B263B ΔE 0.056
Use #00364C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.