#174854
Closest named color: Charcoal (#264653). oklch(37.5% 0.055 217.1), rgb(23, 72, 84).
Aa
White text reads best on this color (10.04:1).
About this color
#174854 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.055 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.014 away. White text reads best on it, at 10.04:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #174854 |
| RGB | rgb(23, 72, 84) |
| HSL | hsl(192, 57%, 21%) |
| OKLCH | oklch(37.5% 0.055 217.1) |
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 #174854 | 10.04:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #174854 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #174854 text on white | 10.04:1 | AAA | Lc 93.1 | Preferred for body text |
| #174854 text on black | 2.09:1 | Fails | Lc -9.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A3C8D2
oklch(80.9% 0.042 216)
-
Step 400
400
#70ABBC
oklch(70.7% 0.066 217.9)
-
Step 500
500
#4496AB
oklch(63.1% 0.085 217.2)
-
Step 600
600
#1C8096
oklch(55.6% 0.092 216.8)
-
Step 700
700
#096C80
oklch(49.1% 0.085 216.9)
-
Step 800
800
#105868
oklch(42.6% 0.071 217.1)
-
Step 900
900 (this color)
#174854
oklch(37.5% 0.055 217.1)
-
Step 950
950
#102B32
oklch(27.1% 0.035 217.1)
#174854 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) | #404655 | 0.048 |
| Deuteranopia (no green cones) | #373F54 | 0.043 |
| Tritanopia (no blue cones) | #004C4C | 0.025 |
| Achromatopsia (no color) | #424242 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174854
#174854
oklch(37.5% 0.055 217.1)
- #5A362C
#5A362C
oklch(37.4% 0.055 36.3)
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 #174854, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.014
- Dark Grey Blue #29465B ΔE 0.023
- Dark Teal #014D4E ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.037
- Deep Teal #00555A ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.041
- Dark Blue Green #005249 ΔE 0.044
- Midnight Green #073B4C ΔE 0.046
Use #174854 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.