#174654
Closest named color: Charcoal (#264653). oklch(36.9% 0.055 221.1), rgb(23, 70, 84).
Aa
White text reads best on this color (10.29:1).
About this color
#174654 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.055 and its hue 221°. 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 10.29:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.04:1 |
| White text | 10.29:1 |
Values
| HEX | #174654 |
| RGB | rgb(23, 70, 84) |
| HSL | hsl(194, 57%, 21%) |
| OKLCH | oklch(36.9% 0.055 221.1) |
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 #174654 | 10.29:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #174654 | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #174654 text on white | 10.29:1 | AAA | Lc 93.7 | Preferred for body text |
| #174654 text on black | 2.04:1 | Fails | Lc -8.8 | 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A4C7D4
oklch(80.8% 0.042 222.4)
-
Step 400
400
#71ABBE
oklch(70.8% 0.066 220.6)
-
Step 500
500
#4795AE
oklch(63.1% 0.085 221.7)
-
Step 600
600
#217F99
oklch(55.5% 0.092 221.1)
-
Step 700
700
#116B83
oklch(49% 0.086 221.6)
-
Step 800
800
#14586A
oklch(42.8% 0.07 220.1)
-
Step 900
900 (this color)
#174654
oklch(36.9% 0.055 221.1)
-
Step 950
950
#112A32
oklch(26.9% 0.034 221.3)
#174654 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) | #3E4455 | 0.046 |
| Deuteranopia (no green cones) | #353E54 | 0.040 |
| Tritanopia (no blue cones) | #004B4A | 0.030 |
| Achromatopsia (no color) | #404040 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174654
#174654
oklch(36.9% 0.055 221.1)
- #583528
#583528
oklch(36.8% 0.055 41.1)
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 #174654, 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 0.030
- Dark Blue Grey #1F3B4D ΔE 0.035
- Midnight Green #073B4C ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.043
- Deep Teal #00555A ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.048
Use #174654 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.