#17496A
Closest named color: Dark Grey Blue (#29465B). oklch(38.9% 0.077 241.8), rgb(23, 73, 106).
Aa
White text reads best on this color (9.55:1).
About this color
#17496A is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.077 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 9.55:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #17496A |
| RGB | rgb(23, 73, 106) |
| HSL | hsl(204, 64%, 25%) |
| OKLCH | oklch(38.9% 0.077 241.8) |
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 #17496A | 9.55:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #17496A | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #17496A text on white | 9.55:1 | AAA | Lc 91.8 | Preferred for body text |
| #17496A text on black | 2.19:1 | Fails | Lc -10.5 | 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF4
oklch(93.7% 0.016 239.1)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E3
oklch(80.9% 0.058 241.3)
-
Step 400
400
#6BA8D5
oklch(70.8% 0.092 241.7)
-
Step 500
500
#3D91CA
oklch(63.1% 0.118 241.8)
-
Step 600
600
#0D7AB7
oklch(55.5% 0.128 242)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#065480
oklch(42.7% 0.099 242.1)
-
Step 900
900 (this color)
#17496A
oklch(38.9% 0.077 241.8)
-
Step 950
950
#0D293C
oklch(27% 0.049 241.5)
#17496A 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) | #3A4A6B | 0.038 |
| Deuteranopia (no green cones) | #2E4269 | 0.028 |
| Tritanopia (no blue cones) | #005155 | 0.052 |
| Achromatopsia (no color) | #454545 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17496A
#17496A
oklch(38.9% 0.077 241.8)
- #623A12
#623A12
oklch(38.9% 0.077 61.5)
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 #17496A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Twilight Blue #0A437A ΔE 0.037
- Charcoal #264653 ΔE 0.039
- Light Navy #155084 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.046
- Deep Teal #00555A ΔE 0.054
- Dark Teal #014D4E ΔE 0.056
- Marine Blue #01386A ΔE 0.058
Use #17496A 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.