#174249
Closest named color: Charcoal (#264653). oklch(35.3% 0.048 209.9), rgb(23, 66, 73).
Aa
White text reads best on this color (10.98:1).
About this color
#174249 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.048 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.027 away. White text reads best on it, at 10.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.91:1 |
| White text | 10.98:1 |
Values
| HEX | #174249 |
| RGB | rgb(23, 66, 73) |
| HSL | hsl(188, 52%, 19%) |
| OKLCH | oklch(35.3% 0.048 209.9) |
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 #174249 | 10.98:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #174249 | 1.91:1 | Fails | Lc 8.7 | Not readable |
| #174249 text on white | 10.98:1 | AAA | Lc 95.2 | Preferred for body text |
| #174249 text on black | 1.91:1 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A7C7CD
oklch(80.8% 0.035 210.2)
-
Step 400
400
#75ABB4
oklch(70.7% 0.058 209)
-
Step 500
500
#4E96A2
oklch(63.1% 0.074 209.5)
-
Step 600
600
#2D808D
oklch(55.6% 0.08 209.7)
-
Step 700
700
#1E6C78
oklch(49.1% 0.075 209.9)
-
Step 800
800
#1C5862
oklch(42.7% 0.062 210.6)
-
Step 900
900 (this color)
#174249
oklch(35.3% 0.048 209.9)
-
Step 950
950
#132B2F
oklch(27.2% 0.031 209.5)
#174249 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) | #3C3F49 | 0.046 |
| Deuteranopia (no green cones) | #343A49 | 0.041 |
| Tritanopia (no blue cones) | #004544 | 0.020 |
| Achromatopsia (no color) | #3C3C3C | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174249
#174249
oklch(35.3% 0.048 209.9)
- #52312C
#52312C
oklch(35.2% 0.049 29.1)
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 #174249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.027
- Midnight Green #073B4C ΔE 0.030
- Dark Teal #014D4E ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.039
- Onyx #343A40 ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #174249 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.