#17364C
Closest named color: Midnight Green (#073B4C). oklch(32% 0.054 242), rgb(23, 54, 76).
Aa
White text reads best on this color (12.58:1).
About this color
#17364C is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.054 and its hue 242°. 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 12.58:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.66:1 |
| White text | 12.58:1 |
Values
| HEX | #17364C |
| RGB | rgb(23, 54, 76) |
| HSL | hsl(205, 54%, 19%) |
| OKLCH | oklch(32% 0.054 242) |
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 #17364C | 12.58:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #17364C | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #17364C text on white | 12.58:1 | AAA | Lc 98.4 | Preferred for body text |
| #17364C text on black | 1.66:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DDEF
oklch(88.6% 0.035 241.5)
-
Step 300
300
#9DC6E7
oklch(80.8% 0.064 242.9)
-
Step 400
400
#63A8DB
oklch(70.6% 0.103 242.2)
-
Step 500
500
#2F91D1
oklch(63% 0.131 242.3)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#07466A
oklch(37.7% 0.084 241.4)
-
Step 950
950 (this color)
#17364C
oklch(32% 0.054 242)
#17364C 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 | 0.027 |
| Deuteranopia (no green cones) | #25314C | 0.022 |
| Tritanopia (no blue cones) | #003B3E | 0.038 |
| Achromatopsia (no color) | #333333 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17364C
#17364C
oklch(32% 0.054 242)
- #462C14
#462C14
oklch(31.9% 0.053 61.7)
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 #17364C, 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 0.020
- Prussian Blue #1D3557 ΔE 0.022
- Gunmetal #293241 ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.037
- Onyx #343A40 ΔE 0.048
- Marine #042E60 ΔE 0.051
- Marine Blue #01386A ΔE 0.053
Use #17364C 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.