#184659
Closest named color: Charcoal (#264653). oklch(37.2% 0.059 228.8), rgb(24, 70, 89).
Aa
White text reads best on this color (10.19:1).
About this color
#184659 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.016 away. White text reads best on it, at 10.19:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.05:1 |
| White text | 10.19:1 |
Values
| HEX | #184659 |
| RGB | rgb(24, 70, 89) |
| HSL | hsl(198, 58%, 22%) |
| OKLCH | oklch(37.2% 0.059 228.8) |
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 #184659 | 10.19:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #184659 | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #184659 text on white | 10.19:1 | AAA | Lc 93.5 | Preferred for body text |
| #184659 text on black | 2.05:1 | Fails | Lc -9.0 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A4C7D8
oklch(81% 0.044 228.9)
-
Step 400
400
#71AAC4
oklch(70.8% 0.071 228.4)
-
Step 500
500
#4794B5
oklch(63.1% 0.09 228.7)
-
Step 600
600
#227EA1
oklch(55.7% 0.098 228.7)
-
Step 700
700
#116A8A
oklch(49.1% 0.092 228.9)
-
Step 800
800
#145670
oklch(42.6% 0.076 229.6)
-
Step 900
900 (this color)
#184659
oklch(37.2% 0.059 228.8)
-
Step 950
950
#112A35
oklch(27.1% 0.037 229)
#184659 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) | #3C455A | 0.042 |
| Deuteranopia (no green cones) | #333E59 | 0.037 |
| Tritanopia (no blue cones) | #004B4C | 0.035 |
| Achromatopsia (no color) | #414141 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184659
#184659
oklch(37.2% 0.059 228.8)
- #593623
#593623
oklch(37.1% 0.059 48.8)
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 #184659, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.016
- Dark Grey Blue #29465B ΔE 0.017
- Dark Teal #014D4E ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.036
- Midnight Green #073B4C ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.046
- Deep Teal #00555A ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.052
Use #184659 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.