#12364C
Closest named color: Midnight Green (#073B4C). oklch(31.8% 0.057 239), rgb(18, 54, 76).
Aa
White text reads best on this color (12.66:1).
About this color
#12364C is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.057 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.017 away. White text reads best on it, at 12.66:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #12364C |
| RGB | rgb(18, 54, 76) |
| HSL | hsl(203, 62%, 18%) |
| OKLCH | oklch(31.8% 0.057 239) |
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 #12364C | 12.66:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #12364C | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #12364C text on white | 12.66:1 | AAA | Lc 98.5 | Preferred for body text |
| #12364C text on black | 1.65:1 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDF0
oklch(88.5% 0.037 240.7)
-
Step 300
300
#99C7E8
oklch(80.9% 0.067 239.8)
-
Step 400
400
#5BAADC
oklch(70.8% 0.107 238.6)
-
Step 500
500
#1693D3
oklch(63.2% 0.137 239.1)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950 (this color)
#12364C
oklch(31.8% 0.057 239)
#12364C 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) | #2C364D | 0.031 |
| Deuteranopia (no green cones) | #24304C | 0.026 |
| Tritanopia (no blue cones) | #003C3E | 0.039 |
| Achromatopsia (no color) | #333333 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12364C
#12364C
oklch(31.8% 0.057 239)
- #472B12
#472B12
oklch(31.8% 0.056 60.3)
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 #12364C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.024
- Gunmetal #293241 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.040
- Marine #042E60 ΔE 0.049
- Onyx #343A40 ΔE 0.051
- Marine Blue #01386A ΔE 0.053
Use #12364C 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.