#174553
Closest named color: Charcoal (#264653). oklch(36.6% 0.055 221.5), rgb(23, 69, 83).
Aa
White text reads best on this color (10.43:1).
About this color
#174553 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 0.015 away. White text reads best on it, at 10.43:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #174553 |
| RGB | rgb(23, 69, 83) |
| HSL | hsl(194, 57%, 21%) |
| OKLCH | oklch(36.6% 0.055 221.5) |
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 #174553 | 10.43:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #174553 | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #174553 text on white | 10.43:1 | AAA | Lc 94.0 | Preferred for body text |
| #174553 text on black | 2.01:1 | Fails | Lc -8.5 | 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
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A5C7D4
oklch(80.9% 0.041 223)
-
Step 400
400
#72AABE
oklch(70.6% 0.065 222.4)
-
Step 500
500
#4895AD
oklch(63.1% 0.084 221)
-
Step 600
600
#247F99
oklch(55.6% 0.091 221.5)
-
Step 700
700
#146B83
oklch(49.1% 0.085 221.9)
-
Step 800
800
#16576A
oklch(42.6% 0.07 221.9)
-
Step 900
900 (this color)
#174553
oklch(36.6% 0.055 221.5)
-
Step 950
950
#112A32
oklch(26.9% 0.034 221.3)
#174553 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) | #3D4354 | 0.045 |
| Deuteranopia (no green cones) | #343D53 | 0.039 |
| Tritanopia (no blue cones) | #004949 | 0.028 |
| Achromatopsia (no color) | #404040 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174553
#174553
oklch(36.6% 0.055 221.5)
- #573527
#573527
oklch(36.6% 0.054 43)
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 #174553, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.015
- Dark Grey Blue #29465B ΔE 0.024
- Dark Teal #014D4E ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.032
- Midnight Green #073B4C ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.046
- Onyx #343A40 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.048
Use #174553 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.