#174954
Closest named color: Charcoal (#264653). oklch(37.7% 0.055 215.1), rgb(23, 73, 84).
Aa
White text reads best on this color (9.91:1).
About this color
#174954 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.055 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.015 away. White text reads best on it, at 9.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #174954 |
| RGB | rgb(23, 73, 84) |
| HSL | hsl(191, 57%, 21%) |
| OKLCH | oklch(37.7% 0.055 215.1) |
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 #174954 | 9.91:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #174954 | 2.11:1 | Fails | Lc 11.2 | Not readable |
| #174954 text on white | 9.91:1 | AAA | Lc 92.8 | Preferred for body text |
| #174954 text on black | 2.11:1 | Fails | Lc -9.7 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
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
#A3C8D1
oklch(80.9% 0.041 214.2)
-
Step 400
400
#6FACBB
oklch(70.8% 0.067 215)
-
Step 500
500
#4396AA
oklch(63% 0.085 216)
-
Step 600
600
#198195
oklch(55.7% 0.092 214.6)
-
Step 700
700
#056C7F
oklch(49% 0.086 215.7)
-
Step 800
800
#0E5867
oklch(42.6% 0.071 215.6)
-
Step 900
900 (this color)
#174954
oklch(37.7% 0.055 215.1)
-
Step 950
950
#0F2B31
oklch(27% 0.035 213.8)
#174954 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) | #414755 | 0.049 |
| Deuteranopia (no green cones) | #394054 | 0.045 |
| Tritanopia (no blue cones) | #004D4C | 0.025 |
| Achromatopsia (no color) | #434343 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174954
#174954
oklch(37.7% 0.055 215.1)
- #5B372D
#5B372D
oklch(37.8% 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 #174954, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.015
- Dark Teal #014D4E ΔE 0.022
- Dark Grey Blue #29465B ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.035
- Deep Teal #00555A ΔE 0.038
- Dark Blue Green #005249 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.049
Use #174954 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.