#174447
Closest named color: Charcoal (#264653). oklch(35.7% 0.049 201.3), rgb(23, 68, 71).
Aa
White text reads best on this color (10.74:1).
About this color
#174447 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.049 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.027 away. White text reads best on it, at 10.74:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #174447 |
| RGB | rgb(23, 68, 71) |
| HSL | hsl(184, 51%, 18%) |
| OKLCH | oklch(35.7% 0.049 201.3) |
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 #174447 | 10.74:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #174447 | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #174447 text on white | 10.74:1 | AAA | Lc 94.7 | Preferred for body text |
| #174447 text on black | 1.95:1 | Fails | Lc -7.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A6C8CA
oklch(80.9% 0.036 200.9)
-
Step 400
400
#74ACB0
oklch(70.7% 0.059 201.6)
-
Step 500
500
#4C979C
oklch(63.1% 0.075 201.2)
-
Step 600
600
#2A8187
oklch(55.5% 0.081 201.7)
-
Step 700
700
#1B6D72
oklch(49% 0.075 201.1)
-
Step 800
800
#1A595D
oklch(42.7% 0.062 201.2)
-
Step 900
900 (this color)
#174447
oklch(35.7% 0.049 201.3)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#174447 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) | #3F4147 | 0.050 |
| Deuteranopia (no green cones) | #373B47 | 0.046 |
| Tritanopia (no blue cones) | #004745 | 0.016 |
| Achromatopsia (no color) | #3E3E3E | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174447
#174447
oklch(35.7% 0.049 201.3)
- #533231
#533231
oklch(35.7% 0.048 21.6)
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 #174447, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.027
- Dark Teal #014D4E ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.036
- Midnight Green #073B4C ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.041
- Onyx #343A40 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Blue Green #005249 ΔE 0.046
Use #174447 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.