#184751
Closest named color: Charcoal (#264653). oklch(37.1% 0.053 214.2), rgb(24, 71, 81).
Aa
White text reads best on this color (10.19:1).
About this color
#184751 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.053 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.014 away. White text reads best on it, at 10.19:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.05:1 |
| White text | 10.19:1 |
Values
| HEX | #184751 |
| RGB | rgb(24, 71, 81) |
| HSL | hsl(191, 54%, 21%) |
| OKLCH | oklch(37.1% 0.053 214.2) |
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 #184751 | 10.19:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #184751 | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #184751 text on white | 10.19:1 | AAA | Lc 93.5 | Preferred for body text |
| #184751 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A4C8D0
oklch(80.9% 0.04 212.7)
-
Step 400
400
#71ABB9
oklch(70.6% 0.064 214.6)
-
Step 500
500
#4896A7
oklch(63.1% 0.08 213.9)
-
Step 600
600
#228093
oklch(55.6% 0.088 214.6)
-
Step 700
700
#126C7D
oklch(49% 0.082 214.5)
-
Step 800
800
#145866
oklch(42.6% 0.068 215)
-
Step 900
900 (this color)
#184751
oklch(37.1% 0.053 214.2)
-
Step 950
950
#112B30
oklch(27.1% 0.033 211.7)
#184751 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) | #404552 | 0.048 |
| Deuteranopia (no green cones) | #373E51 | 0.043 |
| Tritanopia (no blue cones) | #004B4A | 0.024 |
| Achromatopsia (no color) | #414141 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184751
#184751
oklch(37.1% 0.053 214.2)
- #58352D
#58352D
oklch(36.9% 0.053 33.6)
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 #184751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.014
- Dark Teal #014D4E ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.039
- Midnight Green #073B4C ΔE 0.043
- Deep Teal #00555A ΔE 0.044
- Dark Blue Green #005249 ΔE 0.044
Use #184751 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.