#174248
Closest named color: Charcoal (#264653). oklch(35.2% 0.048 207.8), rgb(23, 66, 72).
Aa
White text reads best on this color (10.99:1).
About this color
#174248 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.048 and its hue 208°. 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 10.99:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #174248 |
| RGB | rgb(23, 66, 72) |
| HSL | hsl(187, 52%, 19%) |
| OKLCH | oklch(35.2% 0.048 207.8) |
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 #174248 | 10.99:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #174248 | 1.90:1 | Fails | Lc 8.6 | Not readable |
| #174248 text on white | 10.99:1 | AAA | Lc 95.3 | Preferred for body text |
| #174248 text on black | 1.90:1 | Fails | Lc -7.4 | 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
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A7C8CD
oklch(81% 0.036 207.7)
-
Step 400
400
#76ABB3
oklch(70.7% 0.057 207.8)
-
Step 500
500
#4E96A1
oklch(63.1% 0.074 208.4)
-
Step 600
600
#2D808C
oklch(55.5% 0.08 208.6)
-
Step 700
700
#1F6C77
oklch(49.1% 0.074 208.8)
-
Step 800
800
#1C5860
oklch(42.6% 0.061 207.6)
-
Step 900
900 (this color)
#174248
oklch(35.2% 0.048 207.8)
-
Step 950
950
#132B2E
oklch(27.1% 0.03 206.1)
#174248 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) | #3C3F48 | 0.046 |
| Deuteranopia (no green cones) | #353A48 | 0.042 |
| Tritanopia (no blue cones) | #004544 | 0.019 |
| Achromatopsia (no color) | #3C3C3C | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174248
#174248
oklch(35.2% 0.048 207.8)
- #51312D
#51312D
oklch(35.1% 0.048 27.5)
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 #174248, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.028
- Midnight Green #073B4C ΔE 0.030
- Dark Teal #014D4E ΔE 0.035
- Onyx #343A40 ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #174248 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.