#17495E
Closest named color: Dark Grey Blue (#29465B). oklch(38.2% 0.063 229.7), rgb(23, 73, 94).
Aa
White text reads best on this color (9.76:1).
About this color
#17495E is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.063 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.017 away. White text reads best on it, at 9.76:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #17495E |
| RGB | rgb(23, 73, 94) |
| HSL | hsl(198, 61%, 23%) |
| OKLCH | oklch(38.2% 0.063 229.7) |
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 #17495E | 9.76:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #17495E | 2.15:1 | Fails | Lc 11.6 | Not readable |
| #17495E text on white | 9.76:1 | AAA | Lc 92.4 | Preferred for body text |
| #17495E text on black | 2.15:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7DA
oklch(80.9% 0.048 230.4)
-
Step 400
400
#6DAAC7
oklch(70.7% 0.076 229.7)
-
Step 500
500
#4194B9
oklch(63.1% 0.097 230.3)
-
Step 600
600
#157EA5
oklch(55.6% 0.105 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#0A5772
oklch(42.8% 0.08 228.7)
-
Step 900
900 (this color)
#17495E
oklch(38.2% 0.063 229.7)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#17495E 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) | #3E485F | 0.044 |
| Deuteranopia (no green cones) | #35415E | 0.038 |
| Tritanopia (no blue cones) | #004F50 | 0.038 |
| Achromatopsia (no color) | #444444 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17495E
#17495E
oklch(38.2% 0.063 229.7)
- #5E3823
#5E3823
oklch(38.2% 0.063 49)
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 #17495E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.017
- Charcoal #264653 ΔE 0.021
- Dark Teal #014D4E ΔE 0.037
- Deep Teal #00555A ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.047
- Midnight Green #073B4C ΔE 0.054
- Dark Blue Green #005249 ΔE 0.055
Use #17495E 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.