#174253
Closest named color: Charcoal (#264653). oklch(35.7% 0.055 227.6), rgb(23, 66, 83).
Aa
White text reads best on this color (10.82:1).
About this color
#174253 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.055 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.021 away. White text reads best on it, at 10.82:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.94:1 |
| White text | 10.82:1 |
Values
| HEX | #174253 |
| RGB | rgb(23, 66, 83) |
| HSL | hsl(197, 57%, 21%) |
| OKLCH | oklch(35.7% 0.055 227.6) |
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 #174253 | 10.82:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #174253 | 1.94:1 | Fails | Lc 9.0 | Not readable |
| #174253 text on white | 10.82:1 | AAA | Lc 94.9 | Preferred for body text |
| #174253 text on black | 1.94:1 | Fails | Lc -7.8 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A6C7D6
oklch(81% 0.041 227.1)
-
Step 400
400
#74A9C1
oklch(70.6% 0.066 228)
-
Step 500
500
#4C94B2
oklch(63.2% 0.085 227.6)
-
Step 600
600
#2A7E9D
oklch(55.7% 0.092 226.8)
-
Step 700
700
#1B6A86
oklch(49.1% 0.085 226.9)
-
Step 800
800
#1A566D
oklch(42.6% 0.071 227.8)
-
Step 900
900 (this color)
#174253
oklch(35.7% 0.055 227.6)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#174253 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) | #394154 | 0.041 |
| Deuteranopia (no green cones) | #313B53 | 0.035 |
| Tritanopia (no blue cones) | #004748 | 0.032 |
| Achromatopsia (no color) | #3D3D3D | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174253
#174253
oklch(35.7% 0.055 227.6)
- #543322
#543322
oklch(35.7% 0.055 47.7)
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 #174253, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.021
- Dark Blue Grey #1F3B4D ΔE 0.023
- Dark Grey Blue #29465B ΔE 0.027
- Midnight Green #073B4C ΔE 0.029
- Dark Teal #014D4E ΔE 0.041
- Onyx #343A40 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.050
Use #174253 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.