#174347
Closest named color: Charcoal (#264653). oklch(35.4% 0.048 203.5), rgb(23, 67, 71).
Aa
White text reads best on this color (10.87:1).
About this color
#174347 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.048 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.028 away. White text reads best on it, at 10.87:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.93:1 |
| White text | 10.87:1 |
Values
| HEX | #174347 |
| RGB | rgb(23, 67, 71) |
| HSL | hsl(185, 51%, 18%) |
| OKLCH | oklch(35.4% 0.048 203.5) |
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 #174347 | 10.87:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #174347 | 1.93:1 | Fails | Lc 8.9 | Not readable |
| #174347 text on white | 10.87:1 | AAA | Lc 95.0 | Preferred for body text |
| #174347 text on black | 1.93:1 | Fails | Lc -7.6 | 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
#A6C8CB
oklch(80.9% 0.037 203)
-
Step 400
400
#75ACB1
oklch(70.8% 0.058 203.1)
-
Step 500
500
#4D979E
oklch(63.2% 0.074 203.6)
-
Step 600
600
#2C8188
oklch(55.6% 0.08 202.9)
-
Step 700
700
#1D6D74
oklch(49.1% 0.075 203.7)
-
Step 800
800
#1B595E
oklch(42.7% 0.062 202.8)
-
Step 900
900 (this color)
#174347
oklch(35.4% 0.048 203.5)
-
Step 950
950
#132B2D
oklch(27.1% 0.03 202.6)
#174347 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) | #3E4047 | 0.049 |
| Deuteranopia (no green cones) | #363B47 | 0.043 |
| Tritanopia (no blue cones) | #004644 | 0.017 |
| Achromatopsia (no color) | #3D3D3D | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174347
#174347
oklch(35.4% 0.048 203.5)
- #523130
#523130
oklch(35.3% 0.048 21.7)
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 #174347, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.028
- Dark Teal #014D4E ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.032
- Midnight Green #073B4C ΔE 0.034
- Onyx #343A40 ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Blue Green #005249 ΔE 0.050
Use #174347 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.